Help me convert 5.1 kg/mm to lbs/ inches PLEASE!!!!!

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Help me convert 5.1 kg/mm to lbs/ inches PLEASE!!!!!

Postby rafartist » Sun Mar 28, 2004 5:47 am

Someone help me with this, I need it fast.
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Re: Help me convert 5.1 kg/mm to lbs/ inches PLEASE!!!!!

Postby Knight » Mon Mar 29, 2004 10:22 pm

rafartist wrote:Someone help me with this, I need it fast.

The easiest way to do this is to use a tool called unit analysis. Here we go...

You have your initial units of kg/mm. What you are going to need to do is convert each segment to the unit you want in the end. So, you'll need to know how to convert kg to lbs. (There are 2.205 lbs per kg) and mm to inches (there are 2.54 mm per inch.) So, lay out your problem like this:

Code: Select all
    kg         lb        mm
5.1 -- x 2.205 -- x 2.54 --
    mm         kg        in

Now, simplify the statement. Notice that Kg will cancel, and mm will cancel, leaving you with lbs over inches. Multiply the units out, 5.1 x 2.205 x 2.54 = 28.56357

Code: Select all
    kg         lb        mm            lb
5.1 -- x 2.205 -- x 2.54 -- = 28.56357 --
    mm         kg        in            in
William J. Knight
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Los Alamos National Labs
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Re: Help me convert 3 bar pressu to kg PLEASE!!!!!

Postby imran » Sat Jun 12, 2004 6:50 am

rafartist wrote:Someone help me with this, I need it fast.
ple help me to convert the 3bar pressure into kg as well as complete formula.
imran
 

Re: Help me convert 3 bar pressu to kg PLEASE!!!!!

Postby Knight » Mon Jun 14, 2004 9:49 pm

imran wrote:
rafartist wrote:Someone help me with this, I need it fast.
ple help me to convert the 3bar pressure into kg as well as complete formula.

First: You cannot convert Bar to kg.

Remember that pressure is defined as force per area. One Bar is a unit of pressure equal to one million (10^6) dynes per square centimeter.

1 dyne is 1.0198 e-6 kg of force , so you can convert Bar to a value is kg/cm² by multiplying by 1.02, or to kg/m² by multiplying by 10200.

Your 3 Bar value would be 3.059 kg/cm².
William J. Knight
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Los Alamos National Labs
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