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Back to Unit Index
Unit Conversion
Part II: Pressure and Mass
From The International System of Units   NASA SP-7012
Note: an asterisk (*) after a number indicates it is exact

Pressure

To Convert From To Multiply By
lbf/in2 newton/meter2 6894.757 2
kgf/meter2 newton/meter2 9.80 665*
inch Hg newton/meter2 3386.389
lbf/ft2 newton/meter2 47.880 258

Mass Units

To Convert From To Multiply By
slug kilogram 14.593 902 9
pound mass (lbm) kilogram 0.453 592 37*