Converting US standard units to metric units, or metric units to US standard units involves a lot of mathematical equations. It is much easier to use the calculators found on this
http://answers.ask.com/Reference/Other/how_to_conv...

1. Connect to the Internet and point your Web browser to one of the sites listed in the Resource section. We will be using the first one in the list, Metric and English Conversion
http://www.ehow.com/how_5492799_convertmetricuni...

It depends on the specific units, but it will almost always be. a matter of multiplying or dividing by some power of 10.
http://wiki.answers.com/Q/How_do_you_convert_betwe...

Just move the dot one or more places either forward or backward. For examlpe: 14.7 mm equals 1.47 cm and 0.147 dm and 0.0147 m...and so on Embed
http://www.quora.com/UnitConversions/Howdoesone...
