gram conversion

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gram conversion

Postby originalpw » Tue Mar 16, 2004 9:31 pm

mg to ug. what is the difference?

how many ug in 1 mg?
originalpw
 

Re: gram conversion

Postby Knight » Tue Mar 16, 2004 11:22 pm

originalpw wrote:mg to ug. what is the difference?

how many ug in 1 mg?


The units you're asking about are milligram (mg) and microgram (µg)

In both cases, the base unit is the gram. The m and µ in front of the g are prefixes. (n.b. µ is the greek letter 'mu').

Profixes tell us to do something to the base unit. In this case, milli means "multiply by one thousandth", and micro means "multiply by one millionth."

Therefore one milligram (mg) is 0.001 grams, and one microgram (µg) is 0.000001 grams.

There are 1,000 micrograms (µG) in one milligram (mg)
William J. Knight
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Los Alamos National Labs
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