- Basic
- Mass and Weight
- Distance and Length
- Capacity and Volume
- Area
- Speed
- Temperature
- Special
- Fuel Economy
- Cooking
- Food Price
- Weight to Volume
- Fractions and Percent
- Currency Rates
- Engineering
- Time
- Acceleration
- Density
- Stress and Pressure
- Energy and Work
- Power
- Force
- Circular measure
- Angular velocity
- Torque
- Temperature increment
- Flow rate by volume
- Flow rate by mass
- Radiation
- Radioactivity
- Computer
- Computer storage
- Data transfer rate
- Don't know?
- List of all supported units
- Metric conversion

**Conversion questions?**

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## The Complete List of Measurement Units Supported

## #

%
(percent)

Percentages and Parts, Franctions and Percent

Θ
(Planck temperature)

Temperature increment conversion, Temperature increment

Θ
(Planck temperature)

Temperature scale conversion, Temperature

µ, mc
(micro)

Metric Prefixes, Franctions and Percent

µCi
(microcurie)

Other units, Radioactivity

µl
(microliter)

Metric, Capacity and volume

µmol
(micromole)

Amount of Substance, Franctions and Percent

'
(minute)

Common Units, Circular measure

''
(second)

Common Units, Circular measure

1
(unit)

Quantity Units, Franctions and Percent

1/10
(one tenth)

Fractions, Franctions and Percent

1/2
(half)

Fractions, Franctions and Percent

1/3
(one third)

Fractions, Franctions and Percent

1/4
(one forth)

Fractions, Franctions and Percent

1/5
(one fifth)

Fractions, Franctions and Percent

1/6
(one sixth)

Fractions, Franctions and Percent

1/7
(one seventh)

Fractions, Franctions and Percent

1/8
(one eights)

Fractions, Franctions and Percent

1/9
(one ninth)

Fractions, Franctions and Percent

^{o}/

_{oo}(permille)

Percentages and Parts, Franctions and Percent

^{o}C (degrees Celsius)

Temperature increment conversion, Temperature increment

^{o}C (degrees Celsius)

Temperature scale conversion, Temperature

^{o}D (degrees Delisle)

Historical temperature increment conversion, Temperature increment

^{o}D (degrees Delisle)

Historical temperature scales, Temperature

^{o}F (degrees Fahrenheit)

Temperature increment conversion, Temperature increment

^{o}F (degrees Fahrenheit)

Temperature scale conversion, Temperature

^{o}N (degrees Newton)

Historical temperature increment conversion, Temperature increment

^{o}N (degrees Newton)

Historical temperature scales, Temperature

^{o}R (degrees Rankine)

Historical temperature increment conversion, Temperature increment

^{o}R (degrees Rankine)

Historical temperature scales, Temperature

^{o}Rø (degrees Rømer)

Historical temperature increment conversion, Temperature increment

^{o}Rø (degrees Rømer)

Historical temperature scales, Temperature

^{o}Re (degrees Reaumur)

Temperature increment conversion, Temperature increment

^{o}Re (degrees Reaumur)

Temperature scale conversion, Temperature

## A

Computer Connection Speed, Data transfer rate

Computer Connection Speed, Data transfer rate

Free Fall Acceleration (Solar System), Acceleration

Free Fall Acceleration (Solar System), Acceleration

Free Fall Acceleration (Solar System), Acceleration

Free Fall Acceleration (Solar System), Acceleration

Free Fall Acceleration (Solar System), Acceleration

Free Fall Acceleration (Solar System), Acceleration

Free Fall Acceleration (Solar System), Acceleration

Free Fall Acceleration (Solar System), Acceleration

Free Fall Acceleration (Solar System), Acceleration

British (Imperial) Nautical Measure, Distance and Length

British (Imperial) Nautical Measure, Distance and Length

Afghan Afghani
(AFN)

Asian Currencies, Currency

Albanian Lek
(ALL)

European Currencies, Currency

Algerian Dinar
(DZD)

African Curriencies, Currency

Angolan Kwanza
(AOA)

African Curriencies, Currency

Artillery, Circular measure

Artillery, Circular measure

Argentine Peso
(ARS)

South American Currencies, Currency

Armenian Dram
(AMD)

Asian Currencies, Currency

Aruban Florin
(AWG)

Currencies of the Caribbean, Currency

Australian Dollar
(AUD)

Major World Currencies, Currency

Azerbaijani Manat
(AZN)

Asian Currencies, Currency

a
(atto)

Metric Prefixes, Franctions and Percent

Ancient Roman Liquid Measure, Capacity and volume

U.S. Liquid Measure, Capacity and volume

U.S. and British Imperial, Flow rate by volume

U.S. and British Imperial, Flow rate by volume

U.S. and British Imperial, Flow rate by volume

U.S. and British Imperial, Flow rate by volume

U.S. and British Imperial, Flow rate by volume

Ancient Roman, Distance and Length

Ancient Roman Liquid Measure, Capacity and volume

amu
(atomic mass unit)

Metric, Mass and weight

Metric, Distance and Length

Astronomical, Time

Astronomical, Time

Old French, Distance and Length

Old Russian, Distance and Length

astronomical unit
(au)

Astronomical, Distance and Length

Thai, Mass and weight

atm
(physical atmosphere)

Atmosphere, Stress and Pressure

atomic mass unit
(amu)

Metric, Mass and weight

Atomic Physics Units, Force

atto
(a)

Metric Prefixes, Franctions and Percent

au
(astronomical unit)

Astronomical, Distance and Length

## B

B/s
(byte per second)

Byte-based Transfer Rate Units, Data transfer rate

BBOE
(billion barrel of oil equivalent)

Oil and Fuel Energy Equivalent, Energy and Work

BOE
(barrel of oil equivalent)

Oil and Fuel Energy Equivalent, Energy and Work

BTU
(British Thermal Unit)

British and American, Energy and Work

Bahamian Dollar
(BSD)

Currencies of the Caribbean, Currency

Bahraini Dinar
(BHD)

Middle East Currencies, Currency

Bangladeshi Taka
(BDT)

Asian Currencies, Currency

Barbadian Dollar
(BBD)

Currencies of the Caribbean, Currency

Belarusian Ruble
(BYR)

European Currencies, Currency

Belize Dollar
(BZD)

Central American Currencies, Currency

Bermudan Dollar
(BMD)

North American Currencies, Currency

Bhutanese Ngultrum
(BTN)

Asian Currencies, Currency

Computer Connection Speed, Data transfer rate

Computer Connection Speed, Data transfer rate

Bolivian Boliviano
(BOB)

South American Currencies, Currency

European Currencies, Currency

Botswanan Pula
(BWP)

African Curriencies, Currency

Bq
(becquerel)

SI radioactivity units, Radioactivity

Brazilian Real
(BRL)

South American Currencies, Currency

British Pound Sterling
(GBP)

Major World Currencies, Currency

British Thermal Unit
(BTU)

British and American, Energy and Work

British and American, Power

British and American, Power

British and American, Power

British system, Fuel economy

U.S. and British Imperial, Flow rate by volume

U.S. and British Imperial, Flow rate by volume

U.S. and British Imperial, Flow rate by volume

U.S. and British Imperial, Flow rate by volume

U.S. and British Imperial, Flow rate by volume

Brunei Dollar
(BND)

Asian Currencies, Currency

Bulgarian Lev
(BGN)

European Currencies, Currency

Burundian Franc
(BIF)

African Curriencies, Currency

Quantity Units, Franctions and Percent

Thai, Capacity and volume

Metric, Stress and Pressure

British (Imperial) Measure, Distance and Length

British Imperial Liquid And Dry, Capacity and volume

U.S. Dry Measure, Capacity and volume

U.S. Liquid Measure, Capacity and volume

U.S. and British Imperial, Flow rate by volume

U.S. and British Imperial, Flow rate by volume

U.S. and British Imperial, Flow rate by volume

U.S. and British Imperial, Flow rate by volume

U.S. and British Imperial, Flow rate by volume

barrel of oil equivalent
(BOE)

Oil and Fuel Energy Equivalent, Energy and Work

Biblical Liquid Measure (Old Testament), Capacity and volume

becquerel
(Bq)

SI radioactivity units, Radioactivity

Biblical, Mass and weight

Old Russian, Mass and weight

Thai, Mass and weight

Oil and Fuel Energy Equivalent, Energy and Work

Data Storage and Transmission, Computer storage

bit per second
(bps)

Basic Units of Data Transfer Rate, Data transfer rate

British (Imperial) Measure, Distance and Length

The American System of Measures (US Customary Units), Distance and Length

bps
(bit per second)

Basic Units of Data Transfer Rate, Data transfer rate

bu
(bushel)

British Imperial Liquid And Dry, Capacity and volume

bu
(bushel)

U.S. Dry Measure, Capacity and volume

Japanese, Distance and Length

Chinese units of 1915, Distance and Length

bushel
(bu)

British Imperial Liquid And Dry, Capacity and volume

bushel
(bu)

U.S. Dry Measure, Capacity and volume

British (Imperial) Measure, Distance and Length

Data Storage and Transmission, Computer storage

Transfer Rate per Different Time Units, Data transfer rate

Transfer Rate per Different Time Units, Data transfer rate

Transfer Rate per Different Time Units, Data transfer rate

byte per second
(B/s)

Byte-based Transfer Rate Units, Data transfer rate

Transfer Rate per Different Time Units, Data transfer rate

## C

Computer Connection Speed, Data transfer rate

Computer Connection Speed, Data transfer rate

Computer Connection Speed, Data transfer rate

CFA Franc BCEAO
(XOF)

African Curriencies, Currency

CFA Franc BEAC
(XAF)

African Curriencies, Currency

Computer Connection Speed, Data transfer rate

Computer Connection Speed, Data transfer rate

Cambodian Riel
(KHR)

Asian Currencies, Currency

Canadian Dollar
(CAD)

Major World Currencies, Currency

Cape Verdean Escudo
(CVE)

African Curriencies, Currency

Chilean Peso
(CLP)

South American Currencies, Currency

Chinese Yuan
(CNY)

Major World Currencies, Currency

Ci
(curie)

Other units, Radioactivity

Colombian Peso
(COP)

South American Currencies, Currency

Comorian Franc
(KMF)

African Curriencies, Currency

Congolese Franc
(CDF)

African Curriencies, Currency

Costa Rican Colon
(CRC)

Central American Currencies, Currency

Croatian Kuna
(HRK)

European Currencies, Currency

Cuban Peso
(CUP)

Currencies of the Caribbean, Currency

Czech Republic Koruna
(CZK)

European Currencies, Currency

c
(centi)

Metric Prefixes, Franctions and Percent

Biblical Dry Measure (Old Testament), Capacity and volume

cable length
(cbl)

International Nautical Measure, Distance and Length

cal
(calorie)

Common Units, Energy and Work

Common units, Time

British (Imperial) Measure, Distance and Length

calorie
(cal)

Common Units, Energy and Work

Common Units, Power

Common Units, Power

Hong Kong, Mass and weight

Hong Kong, Mass and weight

Troy, Mass and weight

carat
(ct)

Metric, Mass and weight

Hong Kong, Mass and weight

cbl
(cable length)

International Nautical Measure, Distance and Length

cc
(cubic centimeter)

Metric, Capacity and volume

Hong Kong units, Distance and Length

centi
(c)

Metric Prefixes, Franctions and Percent

Metric, Mass and weight

centiliter
(cl)

Metric, Capacity and volume

centimeter
(cm)

Metric, Distance and Length

Metric, Mass and weight

Ancient Roman, Mass and weight

Old Russian Dry Measure, Capacity and volume

ch
(Ramsden's (engineers') chain)

US Surveyors' Measure, Distance and Length

ch
(Gunter's (surveyors') chain)

US Surveyors' Measure, Distance and Length

ch
(Gurley's chain)

US Surveyors' Measure, Distance and Length

British (Imperial) Measure, Distance and Length

Old Russian Liquid Measure, Capacity and volume

Old Russian Liquid Measure, Capacity and volume

Chinese units of 1915, Distance and Length

Chinese units of 1930, Distance and Length

Japanese, Distance and Length

Japanese, Area

Ancient Roman Liquid Measure, Capacity and volume

Typographical (Europe - Didot system), Distance and Length

circle
(circumference)

Common Units, Circular measure

circumference
(circle)

Common Units, Circular measure

cl
(centiliter)

Metric, Capacity and volume

cm
(centimeter)

Metric, Distance and Length

Biblical Dry Measure (Old Testament), Capacity and volume

ct
(carat)

Metric, Mass and weight

cu
(cubit)

British (Imperial) Measure, Distance and Length

cubic centimeter
(cc)

Metric, Capacity and volume

cubic decimeter
(dm

^{3})Metric, Capacity and volume

cubic foot
(ft

^{3})British and U.S. derivatives of length units, Capacity and volume

cubic foot per day
(ft

^{3}/day)U.S. and British Imperial, Flow rate by volume

cubic foot per hour
(ft

^{3}/hour)U.S. and British Imperial, Flow rate by volume

cubic foot per minute
(ft

^{3}/min)U.S. and British Imperial, Flow rate by volume

cubic foot per second
(ft

^{3}/s)U.S. and British Imperial, Flow rate by volume

cubic foot per year
(ft

^{3}/year)U.S. and British Imperial, Flow rate by volume

cubic inch
(in

^{3})British and U.S. derivatives of length units, Capacity and volume

cubic inch per day
(in

^{3}/day)U.S. and British Imperial, Flow rate by volume

cubic inch per hour
(in

^{3}/hour)U.S. and British Imperial, Flow rate by volume

cubic inch per minute
(in

^{3}/min)U.S. and British Imperial, Flow rate by volume

cubic inch per second
(in

^{3}/s)U.S. and British Imperial, Flow rate by volume

cubic inch per year
(in

^{3}/year)U.S. and British Imperial, Flow rate by volume

cubic kilometer
(km

^{3})Metric, Capacity and volume

cubic meter
(m

^{3})Metric, Capacity and volume

cubic meter per day
(m

^{3}/day)Metric, Flow rate by volume

cubic meter per hour
(m

^{3}/hour)Metric, Flow rate by volume

cubic meter per minute
(m

^{3}/min)Metric, Flow rate by volume

cubic meter per second
(m

^{3}/s)Metric, Flow rate by volume

cubic meter per year
(m

^{3}/year)Metric, Flow rate by volume

cubic millimeter
(mm

^{3})Metric, Capacity and volume

Ancient Roman Dry Measure, Capacity and volume

cubic yard
(yd

^{3})British and U.S. derivatives of length units, Capacity and volume

Biblical, Distance and Length

Ancient Roman, Distance and Length

cubit
(cu)

British (Imperial) Measure, Distance and Length

Chinese units of 1915, Distance and Length

Chinese units of 1930, Distance and Length

Chinese units of 1930, Capacity and volume

Cooking (International), Capacity and volume

Cooking (U.S.), Capacity and volume

curie
(Ci)

Other units, Radioactivity

## D

Computer Connection Speed, Data transfer rate

Danish Krone
(DKK)

European Currencies, Currency

Degree, Angular velocity

Degree, Angular velocity

Degree, Angular velocity

Densities of various materials, Density

Densities of various materials, Density

Densities of various materials, Density

Densities of various materials, Density

Densities of various materials, Density

Densities of various materials, Density

Densities of various materials, Density

Densities of various materials, Density

Densities of various materials, Density

Densities of various materials, Density

Densities of various materials, Density

Densities of various materials, Density

Djiboutian Franc
(DJF)

African Curriencies, Currency

Dominican Peso
(DOP)

Currencies of the Caribbean, Currency

d
(deci)

Metric Prefixes, Franctions and Percent

da
(deka)

Metric Prefixes, Franctions and Percent

Chinese units since 1959, Mass and weight

Chinese units of 1930, Capacity and volume

Chinese units between 1930 and 1959, Mass and weight

Chinese units of 1915, Capacity and volume

Metric, Capacity and volume

deci
(d)

Metric Prefixes, Franctions and Percent

deciliter
(dl)

Metric, Capacity and volume

decimeter
(dm)

Metric, Distance and Length

Ancient Roman, Distance and Length

deg
(degree)

Common Units, Circular measure

degree
(deg)

Common Units, Circular measure

degrees Celsius
(

^{o}C)Temperature increment conversion, Temperature increment

degrees Celsius
(

^{o}C)Temperature scale conversion, Temperature

degrees Delisle
(

^{o}D)Historical temperature increment conversion, Temperature increment

degrees Delisle
(

^{o}D)Historical temperature scales, Temperature

degrees Fahrenheit
(

^{o}F)Temperature increment conversion, Temperature increment

degrees Fahrenheit
(

^{o}F)Temperature scale conversion, Temperature

degrees Newton
(

^{o}N)Historical temperature increment conversion, Temperature increment

degrees Newton
(

^{o}N)Historical temperature scales, Temperature

degrees Rømer
(

^{o}Rø)Historical temperature increment conversion, Temperature increment

degrees Rømer
(

^{o}Rø)Historical temperature scales, Temperature

degrees Rankine
(

^{o}R)Historical temperature increment conversion, Temperature increment

degrees Rankine
(

^{o}R)Historical temperature scales, Temperature

degrees Reaumur
(

^{o}Re)Temperature increment conversion, Temperature increment

degrees Reaumur
(

^{o}Re)Temperature scale conversion, Temperature

deka
(da)

Metric Prefixes, Franctions and Percent

Ancient Roman, Mass and weight

Radiation dose examples, Radiation

Old Russian, Area

Old Russian, Area

Ancient Roman, Distance and Length

British (Imperial) Measure, Distance and Length

Ancient Greek, Mass and weight

Optical, Distance and Length

Other units, Radioactivity

Other units, Radioactivity

dl
(deciliter)

Metric, Capacity and volume

dm
(decimeter)

Metric, Distance and Length

dm

^{3}(cubic decimeter)Metric, Capacity and volume

Troy, Mass and weight

Old Russian, Mass and weight

Old German, Mass and weight

Chinese units of 1930, Capacity and volume

Chinese units of 1915, Capacity and volume

Quantity Units, Franctions and Percent

dpm
(disintegrations per minute)

Other units, Radioactivity

dr
(dram)

Avoirdupois (U.S. / British), Mass and weight

Astronomical, Time

Astronomical, Time

Ancient Greek, Mass and weight

Apothecaries, Mass and weight

dram
(dr)

Avoirdupois (U.S. / British), Mass and weight

Ancient Roman, Mass and weight

Number of Performers, Franctions and Percent

dwt
(pennyweight)

Troy, Mass and weight

Metric, Torque

Metric, Torque

## E

E
(exa)

Metric Prefixes, Franctions and Percent

Computer Connection Speed, Data transfer rate

Computer Connection Speed, Data transfer rate

East Caribbean Dollar
(XCD)

Currencies of the Caribbean, Currency

Eb [EiB]
(exbibyte [exabyte])

Data Storage and Transmission, Computer storage

Ebit [Eibit]
(exabit [exbibit])

Data Storage and Transmission, Computer storage

Egyptian Pound
(EGP)

African Curriencies, Currency

Computer Connection Speed, Data transfer rate

Computer Connection Speed, Data transfer rate

Computer Connection Speed, Data transfer rate

Ethiopian Birr
(ETB)

African Curriencies, Currency

eV
(electronvolt)

Common Units, Energy and Work

electronvolt
(eV)

Common Units, Energy and Work

Old Russian, Distance and Length

British (Imperial) Measure, Distance and Length

Biblical Dry Measure (Old Testament), Capacity and volume

Common Units, Energy and Work

Common Units, Power

Biblical, Distance and Length

exa
(E)

Metric Prefixes, Franctions and Percent

exabit [exbibit]
(Ebit [Eibit])

Data Storage and Transmission, Computer storage

exbibyte [exabyte]
(Eb [EiB])

Data Storage and Transmission, Computer storage

## F

Falkland Islands Pound
(FKP)

African Curriencies, Currency

Fijian Dollar
(FJD)

Currencies of Australia and Oceania, Currency

Foot-Pound
(ft*lbs)

British and American, Energy and Work

Currencies of Australia and Oceania, Currency

f
(femto)

Metric Prefixes, Franctions and Percent

Hong Kong units, Distance and Length

fang chi (方尺)
(chi

^{2})Chinese units of 1915, Area

fang chi (方尺)
(chi

^{2})Chinese units of 1930, Area

fang cun (方寸)
(cun

^{2})Chinese units of 1915, Area

fang cun (方寸)
(cun

^{2})Chinese units of 1930, Area

fang zhang (方丈)
(zhang

^{2})Chinese units of 1915, Area

fang zhang (方丈)
(zhang

^{2})Chinese units of 1930, Area

fath
(US fathom)

US Nautical Measure, Distance and Length

fath
(fathom)

International Nautical Measure, Distance and Length

fathom
(fath)

International Nautical Measure, Distance and Length

femto
(f)

Metric Prefixes, Franctions and Percent

Chinese units of 1915, Distance and Length

Chinese units of 1915 before 1930, Mass and weight

Chinese units of 1930, Distance and Length

Chinese units between 1930 and 1959, Mass and weight

Chinese units since 1959, Mass and weight

British (Imperial) Measure, Distance and Length

U.S. Liquid Measure, Capacity and volume

fluid ounce
(oz)

British Imperial Liquid And Dry, Capacity and volume

fluid ounce
(oz)

U.S. Liquid Measure, Capacity and volume

Old Russian, Distance and Length

foot
(ft)

British (Imperial) Measure, Distance and Length

foot
(ft)

The American System of Measures (US Customary Units), Distance and Length

British (Imperial) And U.S. System, Speed

British (Imperial) And U.S. System, Speed

foot per second squared
(ft/s

^{2})British (Imperial) And U.S. System, Acceleration

foot pound-force per second
(ft*lbf/s)

British and American, Power

ft
(Storage length in feet)

CNC Memory Capacity, Computer storage

ft
(foot)

British (Imperial) Measure, Distance and Length

ft
(Gunter's (surveyors') foot)

US Surveyors' Measure, Distance and Length

ft
(foot)

The American System of Measures (US Customary Units), Distance and Length

ft*lbs
(Foot-Pound)

British and American, Energy and Work

ft/s

^{2}(foot per second squared)British (Imperial) And U.S. System, Acceleration

ft

^{3}(cubic foot)British and U.S. derivatives of length units, Capacity and volume

ft

^{3}/day (cubic foot per day)U.S. and British Imperial, Flow rate by volume

ft

^{3}/hour (cubic foot per hour)U.S. and British Imperial, Flow rate by volume

ft

^{3}/min (cubic foot per minute)U.S. and British Imperial, Flow rate by volume

ft

^{3}/s (cubic foot per second)U.S. and British Imperial, Flow rate by volume

ft

^{3}/year (cubic foot per year)U.S. and British Imperial, Flow rate by volume

Thai, Mass and weight

Japanese, Mass and weight

British (Imperial) Measure, Distance and Length

US Surveyors' Measure, Distance and Length

## G

G
(giga)

Metric Prefixes, Franctions and Percent

GB/s
(gigabyte per second)

Byte-based Transfer Rate Units, Data transfer rate

GBq
(gigabecquerel)

SI radioactivity units, Radioactivity

Computer Connection Speed, Data transfer rate

Gal
(Galileo)

Other Units, Acceleration

Galileo
(Gal)

Other Units, Acceleration

Gambian Dalasi
(GMD)

African Curriencies, Currency

Radiation dose examples, Radiation

Gb [GiB]
(gigabyte [gibibyte])

Data Storage and Transmission, Computer storage

Gbit [Gibit]
(gigabit [gibibit])

Data Storage and Transmission, Computer storage

Gbps
(gigabit per second)

Basic Units of Data Transfer Rate, Data transfer rate

Georgian Lari
(GEL)

Asian Currencies, Currency

Artillery, Circular measure

Ghanaian Cedi
(GHS)

South American Currencies, Currency

Gibraltar Pound
(GIP)

European Currencies, Currency

Common units, Time

Gtoe
(gigatonne of oil equivalent)

Oil and Fuel Energy Equivalent, Energy and Work

Guatemalan Quetzal
(GTQ)

Central American Currencies, Currency

Guinean Franc
(GNF)

African Curriencies, Currency

US Surveyors' Measure, Distance and Length

US Surveyors' Measure, Distance and Length

US Surveyors' Measure, Distance and Length

US Surveyors' Measure, Distance and Length

Gurley's chain
(ch)

US Surveyors' Measure, Distance and Length

US Surveyors' Measure, Distance and Length

Guyanaese Dollar
(GYD)

South American Currencies, Currency

g
(gram)

Metric, Mass and weight

g/day
(gram per day)

Metric, Flow rate by mass

g/hour
(gram per hour)

Metric, Flow rate by mass

g/min
(gram per minute)

Metric, Flow rate by mass

g/s
(gram per second)

Metric, Flow rate by mass

g/year
(gram per year)

Metric, Flow rate by mass

g

_{n}(Standard acceleration of free fall on Earth)Free Fall Acceleration (Solar System), Acceleration

gal
(gallon)

British Imperial Liquid And Dry, Capacity and volume

gal
(gallon)

U.S. Dry Measure, Capacity and volume

gal
(gallon)

U.S. Liquid Measure, Capacity and volume

gal/day
(U.S. gallon per day)

U.S. and British Imperial, Flow rate by volume

gal/year
(U.S. gallon per year)

U.S. and British Imperial, Flow rate by volume

gallon
(gal)

British Imperial Liquid And Dry, Capacity and volume

gallon
(gal)

U.S. Dry Measure, Capacity and volume

gallon
(gal)

U.S. Liquid Measure, Capacity and volume

U.S. system, Fuel economy

Old Russian Dry Measure, Capacity and volume

Chinese units of 1915, Capacity and volume

Chinese units of 1930, Capacity and volume

Ancient Roman Liquid Measure, Capacity and volume

Geographical (German), Distance and Length

Biblical, Mass and weight

giga
(G)

Metric Prefixes, Franctions and Percent

gigabecquerel
(GBq)

SI radioactivity units, Radioactivity

gigabit [gibibit]
(Gbit [Gibit])

Data Storage and Transmission, Computer storage

gigabit per second
(Gbps)

Basic Units of Data Transfer Rate, Data transfer rate

gigabyte [gibibyte]
(Gb [GiB])

Data Storage and Transmission, Computer storage

Transfer Rate per Different Time Units, Data transfer rate

Transfer Rate per Different Time Units, Data transfer rate

Transfer Rate per Different Time Units, Data transfer rate

gigabyte per second
(GB/s)

Byte-based Transfer Rate Units, Data transfer rate

Transfer Rate per Different Time Units, Data transfer rate

Common Units, Power

Common Units, Power

gigatonne of oil equivalent
(Gtoe)

Oil and Fuel Energy Equivalent, Energy and Work

U.S. Liquid Measure, Capacity and volume

Japanese, Capacity and volume

British (Imperial) Measure, Distance and Length

gph
(U.S. gallon per hour)

U.S. and British Imperial, Flow rate by volume

gpm
(U.S. gallon per minute)

U.S. and British Imperial, Flow rate by volume

gps
(U.S. gallon per second)

U.S. and British Imperial, Flow rate by volume

gr
(grain)

Avoirdupois (U.S. / British), Mass and weight

grad
(grade)

Common Units, Circular measure

grade
(grad)

Common Units, Circular measure

Apothecaries, Mass and weight

Troy, Mass and weight

grain
(gr)

Avoirdupois (U.S. / British), Mass and weight

gram
(g)

Metric, Mass and weight

gram per cubic meter
(g/m

^{3})Metric System, Density

gram per day
(g/day)

Metric, Flow rate by mass

gram per hour
(g/hour)

Metric, Flow rate by mass

gram per litre
(g/L)

Metric System, Density

gram per millilitre
(g/mL)

Metric System, Density

gram per minute
(g/min)

Metric, Flow rate by mass

gram per second
(g/s)

Metric, Flow rate by mass

gram per year
(g/year)

Metric, Flow rate by mass

Gravitational Metric System, Force

Metric, Torque

Metric, Torque

grave-force
(Gf)

Gravitational Metric System, Force

gravet-force
(gf)

Gravitational Metric System, Force

Quantity Units, Franctions and Percent

## H

HP
(horizontal pitch)

Computer Equipment, Distance and Length

Haitian Gourde
(HTG)

Currencies of the Caribbean, Currency

Honduran Lempira
(HNL)

Central American Currencies, Currency

Hong Kong Dollar
(HKD)

Major World Currencies, Currency

Hungarian Forint
(HUF)

European Currencies, Currency

h
(hecto)

Metric Prefixes, Franctions and Percent

hPa
(hectopascal)

Metric, Stress and Pressure

half
(1/2)

Fractions, Franctions and Percent

Quantity Units, Franctions and Percent

Ancient Greek, Mass and weight

hand
(hd)

British (Imperial) Measure, Distance and Length

The American System of Measures (US Customary Units), Distance and Length

Biblical, Distance and Length

Chinese units of 1915, Distance and Length

Chinese units of 1930, Distance and Length

Chinese units of 1915 before 1930, Mass and weight

Chinese units between 1930 and 1959, Mass and weight

Chinese units since 1959, Mass and weight

hd
(hand)

British (Imperial) Measure, Distance and Length

hecto
(h)

Metric Prefixes, Franctions and Percent

hectoliter
(hl)

Metric, Capacity and volume

hectopascal
(hPa)

Metric, Stress and Pressure

Biblical Liquid Measure (Old Testament), Capacity and volume

Japanese, Distance and Length

hl
(hectoliter)

Metric, Capacity and volume

Biblical Liquid Measure (Old Testament), Capacity and volume

horizontal pitch
(HP)

Computer Equipment, Distance and Length

horsepower, boiler
(hp(S))

Common Units, Power

horsepower, electric
(hp(E))

Common Units, Power

Common Units, Power

Common Units, Power

horsepower, metric
(hp(M))

Common Units, Power

Data Transfer Time, Data transfer rate

Data Transfer Time, Data transfer rate

Radiation dose examples, Radiation

Chinese units of 1915, Distance and Length

Chinese units of 1930, Distance and Length

Chinese units since 1959, Mass and weight

Chinese units of 1915, Capacity and volume

Japanese, Mass and weight

## I

Computer Connection Speed, Data transfer rate

Icelandic Krona
(ISK)

European Currencies, Currency

Indian Rupee
(INR)

Asian Currencies, Currency

Indonesian Rupiah
(IDR)

Asian Currencies, Currency

Iranian Rial
(IRR)

Middle East Currencies, Currency

Iraqi Dinar
(IQD)

Middle East Currencies, Currency

Israeli New Sheqel
(ILS)

Middle East Currencies, Currency

in
(inch)

British (Imperial) Measure, Distance and Length

in
(inch)

The American System of Measures (US Customary Units), Distance and Length

in/s

^{2}(inch per second squared)British (Imperial) And U.S. System, Acceleration

in

^{3}(cubic inch)British and U.S. derivatives of length units, Capacity and volume

in

^{3}/day (cubic inch per day)U.S. and British Imperial, Flow rate by volume

in

^{3}/hour (cubic inch per hour)U.S. and British Imperial, Flow rate by volume

in

^{3}/min (cubic inch per minute)U.S. and British Imperial, Flow rate by volume

in

^{3}/s (cubic inch per second)U.S. and British Imperial, Flow rate by volume

in

^{3}/year (cubic inch per year)U.S. and British Imperial, Flow rate by volume

Old Russian, Distance and Length

inch
(in)

British (Imperial) Measure, Distance and Length

inch
(in)

The American System of Measures (US Customary Units), Distance and Length

Mercury, Stress and Pressure

inch per second squared
(in/s

^{2})British (Imperial) And U.S. System, Acceleration

## J

J
(joule)

International System (SI), Energy and Work

Jamaican Dollar
(JMD)

Currencies of the Caribbean, Currency

Japanese Yen
(JPY)

Major World Currencies, Currency

Jordanian Dinar
(JOD)

Asian Currencies, Currency

Common units, Time

Chinese units between 1930 and 1959, Mass and weight

Chinese units since 1959, Mass and weight

Chinese units of 1915 before 1930, Mass and weight

Japanese, Distance and Length

joule
(J)

International System (SI), Energy and Work

Common Units, Power

Common Units, Power

## K

K
(kelvin)

Temperature increment conversion, Temperature increment

K
(kelvin)

Temperature scale conversion, Temperature

KB/s
(kilobyte per second)

Byte-based Transfer Rate Units, Data transfer rate

Kazakhstani Tenge
(KZT)

Asian Currencies, Currency

Kb [KiB]
(kilobyte [kibybyte])

Data Storage and Transmission, Computer storage

Kbit [Kibit]
(kilobit [kibibit])

Data Storage and Transmission, Computer storage

Kenyan Shilling
(KES)

African Curriencies, Currency

Kuwaiti Dinar
(KWD)

Middle East Currencies, Currency

Kyrgystani Som
(KGS)

Asian Currencies, Currency

k
(kilo)

Metric Prefixes, Franctions and Percent

kBOE
(kilobarrel of oil equivalent)

Oil and Fuel Energy Equivalent, Energy and Work

kBq
(kilobecquerel)

SI radioactivity units, Radioactivity

kJ
(kilojoule)

International System (SI), Energy and Work

kN
(kilonewton (on Earth surface))

Metric, Mass and weight

kN/m

^{2}(kilonewton per square meter)Metric, Stress and Pressure

kPa
(kilopascal)

Metric, Stress and Pressure

kW*h
(kilowatt hour)

Common Units, Energy and Work

Biblical Liquid Measure (Old Testament), Capacity and volume

Japanese, Mass and weight

kbps
(kilobit per second)

Basic Units of Data Transfer Rate, Data transfer rate

kcal
(kilocalorie)

Common Units, Energy and Work

kelvin
(K)

Temperature increment conversion, Temperature increment

kelvin
(K)

Temperature scale conversion, Temperature

Japanese, Distance and Length

Thai, Distance and Length

kg
(kilogram)

Metric, Mass and weight

kg/day
(kilogram per day)

Metric, Flow rate by mass

kg/hour
(kilogram per hour)

Metric, Flow rate by mass

kg/min
(kilogram per minute)

Metric, Flow rate by mass

kg/s
(kilogram per second)

Metric, Flow rate by mass

kg/year
(kilogram per year)

Metric, Flow rate by mass

kgf/cm

^{2}(kilogram per square centimeter)Metric, Stress and Pressure

kgf/m

^{2}(kilogram per square meter)Metric, Stress and Pressure

kilo
(k)

Metric Prefixes, Franctions and Percent

kilobarrel of oil equivalent
(kBOE)

Oil and Fuel Energy Equivalent, Energy and Work

kilobecquerel
(kBq)

SI radioactivity units, Radioactivity

kilobit [kibibit]
(Kbit [Kibit])

Data Storage and Transmission, Computer storage

kilobit per second
(kbps)

Basic Units of Data Transfer Rate, Data transfer rate

kilobyte [kibybyte]
(Kb [KiB])

Data Storage and Transmission, Computer storage

Transfer Rate per Different Time Units, Data transfer rate

Transfer Rate per Different Time Units, Data transfer rate

Transfer Rate per Different Time Units, Data transfer rate

kilobyte per second
(KB/s)

Byte-based Transfer Rate Units, Data transfer rate

Transfer Rate per Different Time Units, Data transfer rate

kilocalorie
(kcal)

Common Units, Energy and Work

Common Units, Power

Common Units, Power

kilogram
(kg)

Metric, Mass and weight

TNT Energy Equivalent, Energy and Work

kilogram per cubic meter
(kg/m

^{3})Metric System, Density

kilogram per day
(kg/day)

Metric, Flow rate by mass

kilogram per hour
(kg/hour)

Metric, Flow rate by mass

kilogram per litre
(kg/L)

Metric System, Density

kilogram per minute
(kg/min)

Metric, Flow rate by mass

kilogram per second
(kg/s)

Metric, Flow rate by mass

kilogram per square centimeter
(kgf/cm

^{2})Metric, Stress and Pressure

kilogram per square meter
(kgf/m

^{2})Metric, Stress and Pressure

kilogram per year
(kg/year)

Metric, Flow rate by mass

kilogram-force
(kgf)

Gravitational Metric System, Force

Metric, Torque

Metric, Torque

Common Units, Power

kilojoule
(kJ)

International System (SI), Energy and Work

kilometer
(km)

Metric, Distance and Length

Metric, Speed

kilometer per second
(km/s)

Metric, Speed

kilometer per second squared
(km/s

^{2})Metric, Acceleration

kilonewton
(kN)

International System (SI), Force

Metric, Mass and weight

kilonewton per square meter
(kN/m

^{2})Metric, Stress and Pressure

kilopascal
(kPa)

Metric, Stress and Pressure

Avoirdupois (U.S. / British), Mass and weight

Metric, Mass and weight

kilowatt hour
(kW*h)

Common Units, Energy and Work

Japanese, Mass and weight

km
(kilometer)

Metric, Distance and Length

km per litre
(km/l)

Metric system, Fuel economy

km/l
(km per litre)

Metric system, Fuel economy

km/s

^{2}(kilometer per second squared)Metric, Acceleration

km

^{3}(cubic kilometer)Metric, Capacity and volume

Ancient Roman Liquid Measure, Capacity and volume

Japanese, Capacity and volume

Old Russian, Distance and Length

ksi
(thousand pounds per square inch)

British and U.S. (Imperial system), Stress and Pressure

Ancient Roman Liquid Measure, Capacity and volume

Thai, Capacity and volume

## L

L
(Planck length)

Natural units, Distance and Length

L

^{-1}MT^{-2}(Planck pressure)Natural units, Stress and Pressure

L

^{2}MT^{-2}(Planck energy)Natural units, Energy and Work

L

^{2}MT^{-3}(Planck power)Natural units, Power

L

^{3}(Planck volume)Natural units, Capacity and volume

Computer Connection Speed, Data transfer rate

Laotian Kip
(LAK)

Asian Currencies, Currency

Latvian Lats
(LVL)

European Currencies, Currency

Lebanese Pound
(LBP)

African Curriencies, Currency

Lesotho Loti
(LSL)

African Curriencies, Currency

Liberian Dollar
(LRD)

African Curriencies, Currency

Libyan Dinar
(LYD)

African Curriencies, Currency

Lithuanian Litas
(LTL)

European Currencies, Currency

l
(liter)

Metric, Capacity and volume

l/100km
(litre per 100 km)

Metric system, Fuel economy

l/day
(liter per day)

Metric, Flow rate by volume

l/hour
(liter per hour)

Metric, Flow rate by volume

l/min
(liter per minute)

Metric, Flow rate by volume

l/s
(liter per second)

Metric, Flow rate by volume

l/year
(liter per year)

Metric, Flow rate by volume

British (Imperial) Measure, Distance and Length

The American System of Measures (US Customary Units), Distance and Length

lb
(pound)

Avoirdupois (U.S. / British), Mass and weight

lb/day
(pound per day)

U.S. and British Imperial, Flow rate by mass

lb/hour
(pound per hour)

U.S. and British Imperial, Flow rate by mass

lb/min
(pound per minute)

U.S. and British Imperial, Flow rate by mass

lb/s
(pound per second)

U.S. and British Imperial, Flow rate by mass

lb/year
(pound per year)

U.S. and British Imperial, Flow rate by mass

British (Imperial) Measure, Distance and Length

The American System of Measures (US Customary Units), Distance and Length

Old Spanish, Area

Old Spanish and Portuguese, Distance and Length

Biblical Dry Measure (Old Testament), Capacity and volume

Acute radiation syndrome, Radiation

Chinese units since 1959, Mass and weight

Chinese units of 1930, Distance and Length

Chinese units between 1930 and 1959, Mass and weight

Chinese units of 1915, Distance and Length

Chinese units of 1915, Area

Chinese units of 1930, Area

Chinese units of 1915, Distance and Length

Chinese units of 1930, Distance and Length

Chinese units of 1915 before 1930, Mass and weight

Chinese units of 1915 before 1930, Mass and weight

Chinese units since 1959, Mass and weight

Chinese units between 1930 and 1959, Mass and weight

Old French, Distance and Length

Old French, Distance and Length

Old French, Distance and Length

Old French, Distance and Length

Astronomical, Distance and Length

Astronomical, Distance and Length

Astronomical, Distance and Length

Old French, Distance and Length

Old Russian, Distance and Length

British (Imperial) Measure, Distance and Length

The American System of Measures (US Customary Units), Distance and Length

Old Spanish and Portuguese, Distance and Length

liter
(l)

Metric, Capacity and volume

liter per day
(l/day)

Metric, Flow rate by volume

liter per hour
(l/hour)

Metric, Flow rate by volume

liter per minute
(l/min)

Metric, Flow rate by volume

liter per second
(l/s)

Metric, Flow rate by volume

liter per year
(l/year)

Metric, Flow rate by volume

litre per 100 km
(l/100km)

Metric system, Fuel economy

British system, Fuel economy

Old French, Capacity and volume

Old French, Mass and weight

Biblical Liquid Measure (Old Testament), Capacity and volume

U.S. and British Imperial, Flow rate by mass

U.S. and British Imperial, Flow rate by mass

U.S. and British Imperial, Flow rate by mass

U.S. and British Imperial, Flow rate by mass

U.S. and British Imperial, Flow rate by mass

Avoirdupois (U.S. / British), Mass and weight

British and U.S. (Imperial system), Stress and Pressure

British and U.S. (Imperial system), Stress and Pressure

Avoirdupois (U.S. / British), Mass and weight

British and U.S., Torque

Old Russian, Mass and weight

## M

M
(mega)

Metric Prefixes, Franctions and Percent

M
(Planck mass)

Natural units, Mass and weight

MB/s
(megabyte per second)

Byte-based Transfer Rate Units, Data transfer rate

MBq
(megabecquerel)

SI radioactivity units, Radioactivity

MJ
(megajoule)

International System (SI), Energy and Work

MMBTU
(Million BTU)

British and American, Energy and Work

MN/m

^{2}(meganewton per square meter)Metric, Stress and Pressure

MPa
(megapascal)

Metric, Stress and Pressure

Macanese Pataca
(MOP)

Asian Currencies, Currency

Macedonian Denar
(MKD)

European Currencies, Currency

Malagasy Ariary
(MGA)

African Curriencies, Currency

Malawian Kwacha
(MWK)

African Curriencies, Currency

Malaysian Ringgit
(MYR)

Asian Currencies, Currency

Maldivian Rufiyaa
(MVR)

Asian Currencies, Currency

Mauritanian Ouguiya
(MRO)

African Curriencies, Currency

Mauritian Rupee
(MUR)

African Curriencies, Currency

Mb [MiB]
(megabyte [mebibyte])

Data Storage and Transmission, Computer storage

Mbit [Mibit]
(megabit [mebibit])

Data Storage and Transmission, Computer storage

Mbps
(megabit per second)

Basic Units of Data Transfer Rate, Data transfer rate

Mcal
(megacalorie)

Common Units, Energy and Work

Mexican Peso
(MXN)

North American Currencies, Currency

Million BTU
(MMBTU)

British and American, Energy and Work

Moldovan Leu
(MDL)

European Currencies, Currency

Mongolian Tugrik
(MNT)

Asian Currencies, Currency

Moroccan Dirham
(MAD)

African Curriencies, Currency

Mozambican Metical
(MZN)

African Curriencies, Currency

Mtoe
(megatonne of oil equivalent)

Oil and Fuel Energy Equivalent, Energy and Work

Myanma Kyat
(MMK)

Asian Currencies, Currency

m
(Storage length in meters)

CNC Memory Capacity, Computer storage

m
(milli)

Metric Prefixes, Franctions and Percent

m
(meter)

Metric, Distance and Length

m/s

^{2}(meter per second squared)Metric, Acceleration

m

^{3}(cubic meter)Metric, Capacity and volume

m

^{3}/day (cubic meter per day)Metric, Flow rate by volume

m

^{3}/hour (cubic meter per hour)Metric, Flow rate by volume

m

^{3}/min (cubic meter per minute)Metric, Flow rate by volume

m

^{3}/s (cubic meter per second)Metric, Flow rate by volume

m

^{3}/year (cubic meter per year)Metric, Flow rate by volume

mCi
(millicurie)

Other units, Radioactivity

Hong Kong, Mass and weight

Hong Kong, Mass and weight

Old Russian, Distance and Length

mcg
(microgram)

Metric, Mass and weight

Ancient Roman, Mass and weight

mega
(M)

Metric Prefixes, Franctions and Percent

megabecquerel
(MBq)

SI radioactivity units, Radioactivity

megabit [mebibit]
(Mbit [Mibit])

Data Storage and Transmission, Computer storage

megabit per second
(Mbps)

Basic Units of Data Transfer Rate, Data transfer rate

megabyte [mebibyte]
(Mb [MiB])

Data Storage and Transmission, Computer storage

Transfer Rate per Different Time Units, Data transfer rate

Transfer Rate per Different Time Units, Data transfer rate

Transfer Rate per Different Time Units, Data transfer rate

megabyte per second
(MB/s)

Byte-based Transfer Rate Units, Data transfer rate

Transfer Rate per Different Time Units, Data transfer rate

megacalorie
(Mcal)

Common Units, Energy and Work

megajoule
(MJ)

International System (SI), Energy and Work

meganewton
(MN)

International System (SI), Force

meganewton per square meter
(MN/m

^{2})Metric, Stress and Pressure

megapascal
(MPa)

Metric, Stress and Pressure

megatonne of oil equivalent
(Mtoe)

Oil and Fuel Energy Equivalent, Energy and Work

meter
(m)

Metric, Distance and Length

Metric, Speed

meter per second
(m/s)

Metric, Speed

meter per second squared
(m/s

^{2})Metric, Acceleration

metre-kilogram
(mkg)

Common Units, Energy and Work

Common Units, Power

Old Russian, Distance and Length

mg
(milligram)

Metric, Mass and weight

mi
(mile)

British (Imperial) Measure, Distance and Length

mi
(mile)

The American System of Measures (US Customary Units), Distance and Length

micro
(µ, mc)

Metric Prefixes, Franctions and Percent

microcurie
(µCi)

Other units, Radioactivity

microgram
(mcg)

Metric, Mass and weight

The American System of Measures (US Customary Units), Distance and Length

microliter
(µl)

Metric, Capacity and volume

micromole
(µmol)

Amount of Substance, Franctions and Percent

micronewton
(µN)

International System (SI), Force

microroentgen
(µR)

Exposure to ionizing radiation, Radiation

microsievert
(µSv)

Dose equivalent radiation, Radiation

British (Imperial) Measure, Distance and Length

The American System of Measures (US Customary Units), Distance and Length

Ancient Greek, Distance and Length

Old Russian, Distance and Length

mile
(mi)

British (Imperial) Measure, Distance and Length

mile
(mi)

The American System of Measures (US Customary Units), Distance and Length

mile per British gallon
(mpg)

British system, Fuel economy

mile per gallon
(mpg)

U.S. system, Fuel economy

mile per hour
(mph)

British (Imperial) And U.S. System, Speed

British system, Fuel economy

British (Imperial) And U.S. System, Speed

British (Imperial) And U.S. System, Acceleration

Ancient Roman, Distance and Length

milli
(m)

Metric Prefixes, Franctions and Percent

Ancient Roman, Mass and weight

Metric, Stress and Pressure

millicurie
(mCi)

Other units, Radioactivity

milligram
(mg)

Metric, Mass and weight

milligram per cubic meter
(mg/m

^{3})Metric System, Density

Gravitational Metric System, Force

milligrave-force
(mGf)

Gravitational Metric System, Force

milliliter
(ml)

Metric, Capacity and volume

millimeter
(mm)

Metric, Distance and Length

millimeter per second squared
(mm/s

^{2})Metric, Acceleration

millimole
(mmol)

Amount of Substance, Franctions and Percent

millinewton
(mN)

International System (SI), Force

milliroentgen
(mR)

Exposure to ionizing radiation, Radiation

millisievert
(mSv)

Dose equivalent radiation, Radiation

Biblical, Mass and weight

Ancient Greek, Mass and weight

U.S. Liquid Measure, Capacity and volume

Old French, Capacity and volume

minute
(')

Common Units, Circular measure

Data Transfer Time, Data transfer rate

For Runners and Joggers, Speed

Data Transfer Time, Data transfer rate

For Runners and Joggers, Speed

Troy, Mass and weight

mkg
(metre-kilogram)

Common Units, Energy and Work

ml
(milliliter)

Metric, Capacity and volume

mm
(millimeter)

Metric, Distance and Length

mm/s

^{2}(millimeter per second squared)Metric, Acceleration

mm

^{3}(cubic millimeter)Metric, Capacity and volume

mmol
(millimole)

Amount of Substance, Franctions and Percent

Japanese, Distance and Length

Ancient Roman Dry Measure, Capacity and volume

mol
(mole)

Amount of Substance, Franctions and Percent

mole
(mol)

Amount of Substance, Franctions and Percent

Japanese, Mass and weight

mpg
(mile per British gallon)

British system, Fuel economy

mpg
(mile per gallon)

U.S. system, Fuel economy

Chinese units of 1915, Area

Chinese units of 1930, Area

## N

N
(newton (on Earth surface))

Metric, Mass and weight

N/cm

^{2}(newton per square centimeter)Metric, Stress and Pressure

N/m

^{2}(newton per square meter)Metric, Stress and Pressure

N/mm

^{2}(newton per square millimeter)Metric, Stress and Pressure

Namibian Dollar
(NAD)

African Curriencies, Currency

Nepalese Rupee
(NPR)

Asian Currencies, Currency

Currencies of the Caribbean, Currency

New Taiwan Dollar
(TWD)

Asian Currencies, Currency

New Zealand Dollar
(NZD)

Currencies of Australia and Oceania, Currency

Nicaraguan Cordoba
(NIO)

Central American Currencies, Currency

Nigerian Naira
(NGN)

African Curriencies, Currency

North Korean Won
(KPW)

Asian Currencies, Currency

Norwegian Krone
(NOK)

European Currencies, Currency

n
(nano)

Metric Prefixes, Franctions and Percent

British (Imperial) Measure, Distance and Length

nano
(n)

Metric Prefixes, Franctions and Percent

nanometer
(nm)

Metric, Distance and Length

Acute radiation syndrome, Radiation

naut.leag
(nautical league)

International Nautical Measure, Distance and Length

naut.mi
(nautical mile)

International Nautical Measure, Distance and Length

nautical league
(naut.leag)

International Nautical Measure, Distance and Length

nautical mile
(naut.mi)

International Nautical Measure, Distance and Length

Nautical, Circular measure

Metric, Mass and weight

newton centimeter
(Ncm)

Metric, Torque

newton meter
(Nm)

Metric, Torque

newton per square centimeter
(N/cm

^{2})Metric, Stress and Pressure

newton per square meter
(N/m

^{2})Metric, Stress and Pressure

newton per square millimeter
(N/mm

^{2})Metric, Stress and Pressure

Thai, Distance and Length

nm
(nanometer)

Metric, Distance and Length

## O

Computer Connection Speed, Data transfer rate

Computer Connection Speed, Data transfer rate

Computer Connection Speed, Data transfer rate

Computer Connection Speed, Data transfer rate

Computer Connection Speed, Data transfer rate

Computer Connection Speed, Data transfer rate

Computer Connection Speed, Data transfer rate

Omani Rial
(OMR)

Middle East Currencies, Currency

Ancient Greek, Mass and weight

Number of Performers, Franctions and Percent

Biblical Dry Measure (Old Testament), Capacity and volume

one eights
(1/8)

Fractions, Franctions and Percent

one fifth
(1/5)

Fractions, Franctions and Percent

one forth
(1/4)

Fractions, Franctions and Percent

one ninth
(1/9)

Fractions, Franctions and Percent

one seventh
(1/7)

Fractions, Franctions and Percent

one sixth
(1/6)

Fractions, Franctions and Percent

one tenth
(1/10)

Fractions, Franctions and Percent

one third
(1/3)

Fractions, Franctions and Percent

Ancient Roman, Mass and weight

Apothecaries, Mass and weight

ounce
(ozt)

Troy, Mass and weight

ounce
(oz)

Avoirdupois (U.S. / British), Mass and weight

Ancient Roman, Distance and Length

British and U.S., Density

British and U.S., Density

ounce per U.S. gallon
(oz/gal)

British and U.S., Density

ounce per cubic foot
(oz/ft

^{3})British and U.S., Density

ounce per cubic inch
(oz/in

^{3})British and U.S., Density

ounce per cubic yard
(oz/yd

^{3})British and U.S., Density

ounce per day
(oz/day)

U.S. and British Imperial, Flow rate by mass

ounce per hour
(oz/hour)

U.S. and British Imperial, Flow rate by mass

ounce per minute
(oz/min)

U.S. and British Imperial, Flow rate by mass

ounce per second
(oz/s)

U.S. and British Imperial, Flow rate by mass

ounce per year
(oz/year)

U.S. and British Imperial, Flow rate by mass

ounce-force
(ozf)

English Engineering and British Gravitational Units, Force

British and U.S., Torque

oz
(fluid ounce)

British Imperial Liquid And Dry, Capacity and volume

oz
(fluid ounce)

U.S. Liquid Measure, Capacity and volume

oz
(ounce)

Avoirdupois (U.S. / British), Mass and weight

oz/day
(ounce per day)

U.S. and British Imperial, Flow rate by mass

oz/hour
(ounce per hour)

U.S. and British Imperial, Flow rate by mass

oz/min
(ounce per minute)

U.S. and British Imperial, Flow rate by mass

oz/s
(ounce per second)

U.S. and British Imperial, Flow rate by mass

oz/year
(ounce per year)

U.S. and British Imperial, Flow rate by mass

ozt
(ounce)

Troy, Mass and weight

## P

P
(peta)

Metric Prefixes, Franctions and Percent

Pa
(pascal)

Metric, Stress and Pressure

Pakistani Rupee
(PKR)

Asian Currencies, Currency

Panamanian Balboa
(PAB)

Central American Currencies, Currency

Paraguayan Guarani
(PYG)

South American Currencies, Currency

Pb [PiB]
(petabyte [pebibyte])

Data Storage and Transmission, Computer storage

Pbit [Pibit]
(petabit [pebibit])

Data Storage and Transmission, Computer storage

Peruvian Nuevo Sol
(PEN)

South American Currencies, Currency

Philippine Peso
(PHP)

Asian Currencies, Currency

Planck area
(L

^{2})Natural units, Area

Planck density
(L

^{-3}M)Natural units, Density

Natural units, Energy and Work

Planck force
(LMT

^{-2})Natural units, Force

Planck length
(L)

Natural units, Distance and Length

Planck mass
(M)

Natural units, Mass and weight

Natural units, Power

Natural units, Stress and Pressure

Temperature increment conversion, Temperature increment

Temperature scale conversion, Temperature

Planck time
(T)

Natural units, Time

Planck volume
(L

^{3})Natural units, Capacity and volume

Polish Zloty
(PLN)

European Currencies, Currency

p
(pico)

Metric Prefixes, Franctions and Percent

Ancient Roman, Distance and Length

British (Imperial) Measure, Distance and Length

Quantity Units, Franctions and Percent

palm
(plm)

British (Imperial) Measure, Distance and Length

parsec
(pc)

Astronomical, Distance and Length

parts per billion
(ppb)

Percentages and Parts, Franctions and Percent

parts per million
(ppm)

Percentages and Parts, Franctions and Percent

pascal
(Pa)

Metric, Stress and Pressure

Old Spanish and Portuguese, Distance and Length

pc
(parsec)

Astronomical, Distance and Length

peck
(pk)

British Imperial Liquid And Dry, Capacity and volume

peck
(pk)

U.S. Dry Measure, Capacity and volume

Ancient Roman, Distance and Length

Ancient Roman, Distance and Length

pennyweight
(dwt)

Troy, Mass and weight

percent
(%)

Percentages and Parts, Franctions and Percent

British Imperial Liquid And Dry, Capacity and volume

The American System of Measures (US Customary Units), Distance and Length

Old French, Distance and Length

Percentages and Parts, Franctions and Percent

peta
(P)

Metric Prefixes, Franctions and Percent

petabit [pebibit]
(Pbit [Pibit])

Data Storage and Transmission, Computer storage

petabyte [pebibyte]
(Pb [PiB])

Data Storage and Transmission, Computer storage

Old German, Mass and weight

physical atmosphere
(atm)

Atmosphere, Stress and Pressure

Typographical (British and U.S. - ATA system), Distance and Length

Typographical (British and U.S. - ATA system), Distance and Length

pico
(p)

Metric Prefixes, Franctions and Percent

Hong Kong, Mass and weight

Old Spanish and Portuguese, Distance and Length

Old French, Distance and Length

Biblical, Mass and weight

pint
(pt)

British Imperial Liquid And Dry, Capacity and volume

pint
(pt)

U.S. Dry Measure, Capacity and volume

pint
(pt)

U.S. Liquid Measure, Capacity and volume

pixel
(px)

Typographical (British and U.S. - ATA system), Distance and Length

pk
(peck)

British Imperial Liquid And Dry, Capacity and volume

pk
(peck)

U.S. Dry Measure, Capacity and volume

plm
(palm)

British (Imperial) Measure, Distance and Length

point
(pt)

Typographical (Europe - Didot system), Distance and Length

point
(pt)

Typographical (British and U.S. - ATA system), Distance and Length

point [PostScript]
(pt)

Typographical (British and U.S. - ATA system), Distance and Length

British (Imperial) Measure, Distance and Length

The American System of Measures (US Customary Units), Distance and Length

Ancient Roman, Mass and weight

Old Russian, Mass and weight

British (Imperial) Measure, Distance and Length

Old French, Distance and Length

Old Russian, Mass and weight

Apothecaries, Mass and weight

Troy, Mass and weight

pound
(lb)

Avoirdupois (U.S. / British), Mass and weight

British and U.S., Density

British and U.S., Density

pound per U.S. gallon
(lb/gal)

British and U.S., Density

pound per cubic foot
(lb/ft

^{3})British and U.S., Density

pound per cubic inch
(lb/in

^{3})British and U.S., Density

pound per cubic yard
(lb/yd

^{3})British and U.S., Density

pound per day
(lb/day)

U.S. and British Imperial, Flow rate by mass

pound per hour
(lb/hour)

U.S. and British Imperial, Flow rate by mass

pound per minute
(lb/min)

U.S. and British Imperial, Flow rate by mass

pound per second
(lb/s)

U.S. and British Imperial, Flow rate by mass

British and U.S. (Imperial system), Stress and Pressure

pound per square inch
(psi)

British and U.S. (Imperial system), Stress and Pressure

pound per year
(lb/year)

U.S. and British Imperial, Flow rate by mass

pound-force
(lbf)

English Engineering and British Gravitational Units, Force

British and U.S., Torque

British and U.S., Torque

ppb
(parts per billion)

Percentages and Parts, Franctions and Percent

ppm
(parts per million)

Percentages and Parts, Franctions and Percent

psi
(pound per square inch)

British and U.S. (Imperial system), Stress and Pressure

pt
(pint)

British Imperial Liquid And Dry, Capacity and volume

pt
(pint)

U.S. Dry Measure, Capacity and volume

pt
(pint)

U.S. Liquid Measure, Capacity and volume

pt
(point)

Typographical (Europe - Didot system), Distance and Length

pt
(point)

Typographical (British and U.S. - ATA system), Distance and Length

pt
(point [PostScript])

Typographical (British and U.S. - ATA system), Distance and Length

Old Spanish and Portuguese, Distance and Length

Old Spanish and Portuguese, Distance and Length

Acute radiation syndrome, Radiation

px
(pixel)

Typographical (British and U.S. - ATA system), Distance and Length

Old Russian, Distance and Length

## Q

Qatari Rial
(QAR)

Middle East Currencies, Currency

Chinese units between 1930 and 1959, Mass and weight

Chinese units since 1959, Mass and weight

Chinese units of 1915 before 1930, Mass and weight

Chinese units of 1915, Area

Chinese units of 1930, Area

qt
(quart)

British Imperial Liquid And Dry, Capacity and volume

qt
(quart)

U.S. Dry Measure, Capacity and volume

qt
(quart)

U.S. Liquid Measure, Capacity and volume

British and American, Energy and Work

Ancient Roman Liquid Measure, Capacity and volume

quart
(qt)

British Imperial Liquid And Dry, Capacity and volume

quart
(qt)

U.S. Dry Measure, Capacity and volume

quart
(qt)

U.S. Liquid Measure, Capacity and volume

Ancient Roman Dry Measure, Capacity and volume

Number of Performers, Franctions and Percent

Old French, Mass and weight

Number of Performers, Franctions and Percent

## R

Radian, Angular velocity

Radian, Angular velocity

Radian, Angular velocity

US Surveyors' Measure, Distance and Length

US Surveyors' Measure, Distance and Length

Revolution, Angular velocity

Revolution, Angular velocity

Revolution, Angular velocity

Revolution, Angular velocity

Revolution, Angular velocity

Romanian Leu
(RON)

European Currencies, Currency

Russian Ruble
(RUB)

Major World Currencies, Currency

Oil and Fuel Energy Equivalent, Energy and Work

Artillery, Circular measure

Rwandan Franc
(RWF)

African Curriencies, Currency

rack unit
(U)

Computer Equipment, Distance and Length

rad
(radian)

Common Units, Circular measure

radian
(rad)

Common Units, Circular measure

rd
(rutherford)

Other units, Radioactivity

rd
(rod)

The American System of Measures (US Customary Units), Distance and Length

red shift
(z)

Astronomical, Distance and Length

Japanese, Distance and Length

Japanese, Distance and Length

rod
(rd)

The American System of Measures (US Customary Units), Distance and Length

British (Imperial) Measure, Distance and Length

Old French, Area

rutherford
(rd)

Other units, Radioactivity

## S

Saint Helena Pound
(SHP)

African Curriencies, Currency

Salvadoran Colon
(SVC)

Central American Currencies, Currency

Samoan Tala
(WST)

Currencies of Australia and Oceania, Currency

African Curriencies, Currency

Saudi Riyal
(SAR)

Middle East Currencies, Currency

Serbian Dinar
(RSD)

European Currencies, Currency

Seychellois Rupee
(SCR)

African Curriencies, Currency

Sierra Leonean Leone
(SLL)

African Curriencies, Currency

Singapore Dollar
(SGD)

Asian Currencies, Currency

Solomon Islands Dollar
(SBD)

Currencies of Australia and Oceania, Currency

Somali Shilling
(SOS)

African Curriencies, Currency

South African Rand
(ZAR)

African Curriencies, Currency

South Korean Won
(KRW)

Asian Currencies, Currency

Other Currencies, Currency

Sri Lankan Rupee
(LKR)

Asian Currencies, Currency

Free Fall Acceleration (Solar System), Acceleration

CNC Memory Capacity, Computer storage

CNC Memory Capacity, Computer storage

Sudanese Pound
(SDG)

African Curriencies, Currency

Surinamese Dollar
(SRD)

South American Currencies, Currency

Swazi Lilangeni
(SZL)

African Curriencies, Currency

Swedish Krona
(SEK)

European Currencies, Currency

Swiss Franc
(CHF)

Major World Currencies, Currency

Syrian Pound
(SYP)

Middle East Currencies, Currency

Japanese, Capacity and volume

Thai, Mass and weight

Thai, Capacity and volume

Thai, Distance and Length

Old Russian, Distance and Length

Ancient Roman, Mass and weight

Apothecaries, Mass and weight

Nautical, Speed

Biblical Dry Measure (Old Testament), Capacity and volume

second
('')

Common Units, Circular measure

For Runners and Joggers, Speed

For Runners and Joggers, Speed

Data Transfer Time, Data transfer rate

For Runners and Joggers, Speed

Data Transfer Time, Data transfer rate

For Runners and Joggers, Speed

Car performance, Acceleration

Car performance, Acceleration

Car performance, Acceleration

Car performance, Acceleration

Ancient Roman, Mass and weight

Ancient Roman Dry Measure, Capacity and volume

Thai, Distance and Length

Number of Performers, Franctions and Percent

Common Units, Circular measure

Ancient Roman Dry Measure, Capacity and volume

Ancient Roman Liquid Measure, Capacity and volume

Number of Performers, Franctions and Percent

British (Imperial) Measure, Distance and Length

British (Imperial) Measure, Distance and Length

Japanese, Capacity and volume

Japanese, Distance and Length

Chinese units of 1915, Capacity and volume

Chinese units of 1930, Capacity and volume

Biblical, Mass and weight

Chinese units of 1915, Capacity and volume

Chinese units of 1930, Capacity and volume

Old Russian Liquid Measure, Capacity and volume

Japanese, Capacity and volume

U.S. and British Imperial, Flow rate by mass

U.S. and British Imperial, Flow rate by mass

U.S. and British Imperial, Flow rate by mass

U.S. and British Imperial, Flow rate by mass

U.S. and British Imperial, Flow rate by mass

Avoirdupois (U.S. / British), Mass and weight

Avoirdupois (U.S. / British), Mass and weight

British and U.S., Torque

Old Russian Liquid Measure, Capacity and volume

Chinese units of 1915, Distance and Length

Chinese units of 1930, Distance and Length

Chinese units between 1930 and 1959, Mass and weight

Chinese units since 1959, Mass and weight

Ancient Roman, Mass and weight

Thai, Mass and weight

Thai, Mass and weight

British (Imperial) Measure, Distance and Length

slug per cubic foot
(slug/ft

^{3})English Engineering and British Gravitational Units, Density

slug per cubic inch
(slug/in

^{3})English Engineering and British Gravitational Units, Density

slug per cubic yard
(slug/yd

^{3})English Engineering and British Gravitational Units, Density

slug/ft

^{3}(slug per cubic foot)English Engineering and British Gravitational Units, Density

slug/in

^{3}(slug per cubic inch)English Engineering and British Gravitational Units, Density

slug/yd

^{3}(slug per cubic yard)English Engineering and British Gravitational Units, Density

Ancient Roman, Mass and weight

Number of Performers, Franctions and Percent

Thai, Mass and weight

sp
(span)

British (Imperial) Measure, Distance and Length

Biblical, Distance and Length

span
(sp)

British (Imperial) Measure, Distance and Length

The American System of Measures (US Customary Units), Distance and Length

Speed constants and examples, Speed

Speed constants and examples, Speed

Ancient Roman, Area

Ancient Roman, Area

Old Russian, Area

square centimeter
(cm

^{2})Metric, Area

square decimeter
(dm

^{2})Metric, Area

Ancient Roman, Area

Old Russian, Area

square foot
(ft

^{2})British (Imperial) And U.S. System, Area

square inch
(in

^{2})British (Imperial) And U.S. System, Area

square kilometer
(km

^{2})Metric, Area

square meter
(m

^{2})Metric, Area

British (Imperial) And U.S. System, Area

square millimeter
(mm

^{2})Metric, Area

Ancient Roman, Area

Ancient Roman, Area

Old French, Area

Old French, Area

British (Imperial) And U.S. System, Area

Old French, Area

Old Spanish, Area

Old Russian, Area

square yard
(yd

^{2})British (Imperial) And U.S. System, Area

Ancient Greek, Distance and Length

Ancient Greek, Distance and Length

Ancient Greek, Distance and Length

Avoirdupois (U.S. / British), Mass and weight

Japanese, Distance and Length

Astronomical, Time

Astronomical, Time

Astronomical, Time

## T

T
(tera)

Metric Prefixes, Franctions and Percent

Computer Connection Speed, Data transfer rate

TB/s
(terabyte per second)

Byte-based Transfer Rate Units, Data transfer rate

Tajikistani Somoni
(TJS)

Asian Currencies, Currency

Tanzanian Shilling
(TZS)

African Curriencies, Currency

Tb [TiB]
(terabyte [tebibyte])

Data Storage and Transmission, Computer storage

Tbit [Tibit]
(terabit [tebibit])

Data Storage and Transmission, Computer storage

Tbps
(terabit per second)

Basic Units of Data Transfer Rate, Data transfer rate

Tongan Pa'anga
(TOP)

Currencies of Australia and Oceania, Currency

South American Currencies, Currency

Tunisian Dinar
(TND)

African Curriencies, Currency

Turkish Lira
(TRY)

Middle East Currencies, Currency

Turkmenistani Manat
(TMT)

Asian Currencies, Currency

t/day
(tonne per day)

Metric, Flow rate by mass

t/hour
(tonne per hour)

Metric, Flow rate by mass

t/min
(tonne per minute)

Metric, Flow rate by mass

t/s
(tonne per second)

Metric, Flow rate by mass

t/year
(tonne per year)

Metric, Flow rate by mass

Cooking (International), Capacity and volume

Cooking (U.S.), Capacity and volume

Hong Kong, Mass and weight

Hong Kong, Mass and weight

Thai, Area

Biblical, Mass and weight

Ancient Greek, Mass and weight

Thai, Mass and weight

Japanese, Area

Thai, Capacity and volume

Cooking (International), Capacity and volume

Cooking (U.S.), Capacity and volume

Atmosphere, Stress and Pressure

tera
(T)

Metric Prefixes, Franctions and Percent

terabit [tebibit]
(Tbit [Tibit])

Data Storage and Transmission, Computer storage

terabit per second
(Tbps)

Basic Units of Data Transfer Rate, Data transfer rate

terabyte [tebibyte]
(Tb [TiB])

Data Storage and Transmission, Computer storage

Transfer Rate per Different Time Units, Data transfer rate

Transfer Rate per Different Time Units, Data transfer rate

Transfer Rate per Different Time Units, Data transfer rate

terabyte per second
(TB/s)

Byte-based Transfer Rate Units, Data transfer rate

Transfer Rate per Different Time Units, Data transfer rate

Ancient Greek, Mass and weight

th
(thou)

British (Imperial) Measure, Distance and Length

British and American, Energy and Work

thou
(th)

British (Imperial) Measure, Distance and Length

Ancient Greek, Distance and Length

British and U.S. (Imperial system), Stress and Pressure

Japanese, Capacity and volume

toe
(tonne of oil equivalent)

Oil and Fuel Energy Equivalent, Energy and Work

Old French, Distance and Length

British and U.S. (Imperial system), Stress and Pressure

British and U.S. (Imperial system), Stress and Pressure

TNT Energy Equivalent, Energy and Work

Metric, Mass and weight

TNT Energy Equivalent, Energy and Work

tonne of oil equivalent
(toe)

Oil and Fuel Energy Equivalent, Energy and Work

tonne per cubic meter
(t/m

^{3})Metric System, Density

tonne per day
(t/day)

Metric, Flow rate by mass

tonne per hour
(t/hour)

Metric, Flow rate by mass

tonne per minute
(t/min)

Metric, Flow rate by mass

tonne per second
(t/s)

Metric, Flow rate by mass

tonne per year
(t/year)

Metric, Flow rate by mass

Gravitational Metric System, Force

Number of Performers, Franctions and Percent

Astronomical, Time

Hong Kong units, Distance and Length

Typographical (British and U.S. - ATA system), Distance and Length

## U

U
(rack unit)

Computer Equipment, Distance and Length

U.S. gallon per day
(gal/day)

U.S. and British Imperial, Flow rate by volume

U.S. gallon per hour
(gph)

U.S. and British Imperial, Flow rate by volume

U.S. gallon per minute
(gpm)

U.S. and British Imperial, Flow rate by volume

U.S. gallon per second
(gps)

U.S. and British Imperial, Flow rate by volume

U.S. gallon per year
(gal/year)

U.S. and British Imperial, Flow rate by volume

U.S. refrigeration ton
(USRT)

British and American, Power

Computer Connection Speed, Data transfer rate

Computer Connection Speed, Data transfer rate

US fathom
(fath)

US Nautical Measure, Distance and Length

US Nautical Measure, Distance and Length

Computer Connection Speed, Data transfer rate

Computer Connection Speed, Data transfer rate

Computer Connection Speed, Data transfer rate

Ugandan Shilling
(UGX)

African Curriencies, Currency

Ukrainian Hryvnia
(UAH)

European Currencies, Currency

Middle East Currencies, Currency

United States Dollar
(USD)

Major World Currencies, Currency

Uruguayan Peso
(UYU)

South American Currencies, Currency

Uzbekistan Som
(UZS)

Asian Currencies, Currency

unit
(1)

Quantity Units, Franctions and Percent

Ancient Roman Liquid Measure, Capacity and volume

## V

Computer Connection Speed, Data transfer rate

Vanuatu Vatu
(VUV)

Currencies of Australia and Oceania, Currency

Venezuelan Bolivar
(VEF)

South American Currencies, Currency

Vietnamese Dong
(VND)

Asian Currencies, Currency

Old Spanish and Portuguese, Distance and Length

Old Russian Dry Measure, Capacity and volume

Old Russian Liquid Measure, Capacity and volume

Old Russian, Distance and Length

Old Russian, Distance and Length

Old Russian Liquid Measure, Capacity and volume

Old Russian Liquid Measure, Capacity and volume

volt-ampere
(VA)

International System (SI), Power

## W

W*h
(watt hour)

Common Units, Energy and Work

W*s
(watt second)

Common Units, Energy and Work

Computer Connection Speed, Data transfer rate

Computer Connection Speed, Data transfer rate

Computer Connection Speed, Data transfer rate

Thai, Distance and Length

watt hour
(W*h)

Common Units, Energy and Work

watt second
(W*s)

Common Units, Energy and Work

## X

## Y

Y
(yotta)

Metric Prefixes, Franctions and Percent

Yemeni Rial
(YER)

Middle East Currencies, Currency

y
(yocto)

Metric Prefixes, Franctions and Percent

yard
(yd)

British (Imperial) Measure, Distance and Length

yard
(yd)

The American System of Measures (US Customary Units), Distance and Length

yd
(yard)

British (Imperial) Measure, Distance and Length

yd
(yard)

The American System of Measures (US Customary Units), Distance and Length

yd

^{3}(cubic yard)British and U.S. derivatives of length units, Capacity and volume

Chinese units of 1915, Distance and Length

Chinese units of 1930, Distance and Length

yocto
(y)

Metric Prefixes, Franctions and Percent

Thai, Distance and Length

yotta
(Y)

Metric Prefixes, Franctions and Percent

## Z

Z
(zetta)

Metric Prefixes, Franctions and Percent

Zambian Kwacha
(ZMK)

African Curriencies, Currency

Zimbabwean Dollar
(ZWL)

African Curriencies, Currency

z
(zepto)

Metric Prefixes, Franctions and Percent

z
(red shift)

Astronomical, Distance and Length

Old German, Mass and weight

zepto
(z)

Metric Prefixes, Franctions and Percent

zetta
(Z)

Metric Prefixes, Franctions and Percent

Chinese units of 1915, Distance and Length

Chinese units of 1930, Distance and Length

Old Russian, Mass and weight