METRIC CONVERSION CHART
To Convert U.S. System to Metric System To Convert Metric System to U.S. System
Length
mil to millimeter multiply by 0.0254 millimeter to mil multiply by 39.37
inch to millimeter multiply by 25.4 millimeter to inch multiply by 0.0394
inch to centimeter multiply by 2.54 centimeter to inch multiply by 0.3937
foot to centimeter multiply by 30.48 centimeter to foot multiply by 0.0328
foot to meter multiply by 0.3048 meter to foot multiply by 3.2808
yard to meter multiply by 0.9144 meter to yard multiply by 1.0936
Area
inch2 to millimeter2 multiply by 645.16 millimeter2 to inch2 multiply by 0.0016
inch2 to centimeter2 multiply by 6.4516 centimeter2 to inch2 multiply by 0.155
foot2 to centimeter2 multiply by 929.03 centimeter2 to foot2 multiply by 0.0011
foot2 to meter2 multiply by 0.0929 meter2 to foot2 multiply by 10.7639
yard2 to meter2 multiply by 0.8361 meter2 to yard2 multiply by 1.1960
Volume, Capacity
inch3 to centimeter3 multiply by 16.3871 centimeter3 to inch3 multiply by 0.061
fluid ounce to centimeter3 multiply by 29.5735 centimeter3 to fluid ounce multiplly by 0.0338
quart (liquid) to decimeter3 (liter) multiply by 0.9464 decimeter3 (liter) to quart (liquid) multiply by 1.0567
gallon (U.S.) to decimeter3 (liter) multiply by 3.7854 decimeter3 (liter) to gallon (U.S.) multiply by 0.2642
gallon (U.S.) to meter3 multiply by 0.0038 meter3 to gallon (U.S.) multiply by 264.17
foot3 to decimeter3 multiply by 28.3169 decimeter3 to foot3 multiply by 0.0353
foot3 to meter3 multiply by 0.0283 meter3 to foot3 multiply by 35.3147
yard3 to meter3 multiply by 0.7646 meter3 to yard3 multiply by 1.3079
in3/lb to m3/kg multiply by 0.000036 m3/kg to in3/lb multiply by 27,680
ft3/lb to m3/kg multiply by 0.0624 m3/kg to ft3/lb multiply by 16.018
Mass
ounce (avdp.) to gram multiply by 28.3495 gram to ounce (avdp.) multiply by 0.03527
pound to gram multiply by 453.5924 gram to pound multiply by 0.0022
pound to kilogram multiply by 0.4536 kilogram to pound multiply by 2.2046
pound to metric ton multiply by 0.00045 metric ton to pound multiply by 2204.6
U.S. ton (short) to metric ton multiply by 0.9072 metric ton to U.S. ton (short) multiply by 1.1023
Force
lbf

to

 N

multiply by

 4.448 N

to

 lbf

multiply by

 0.225
Density
lb/in3 to kg/m3 multiply by 27.680 kg/m3 to lb/in3 multiply by 0.000036
lb/ft3 to g/cm3 multiply by 0.0160 g/cm3 to lb/ft3 multiply by 62.43
lb/ft3 to kg/m3 multiply by 16.0185 kg/m3 to lb/ft3 multiply by 0.0624
lb/in3 to g/cm3 multiply by 27.68 g/cm3 to lb/in3 multiply by 0.03613
Temperature
in/(in*F) to m/(M*C) multiply by 1.8 m/(M*C) to in/(in*F) multiply by 0.556
F to C multiply by (F-32)/(1.8) C to F multiply by (1.8*C)+32
F to K multiply by (F+459.67)/(1.8) K to F multiply by (1.8*K)-459.67
Pressure
psi to kPa multiply by 6.8948 kPa to psi multiply by 0.145
psi to MPa multiply by 0.00689 MPa to psi multiply by 145
psi to GPa multiply by 0.00000689 GPa to psi multiply by 145,038
psi to bar multiply by 0.0689 bar to psi multiply by 14.51
Energy and Power
ft * lbf to J multiply by 1.3558 J to ft * lbf multiply by 0.7376
in * lbf to J multiply by 0.113 J to in * lbf multiply by 8.850
ft * lbf/inch to J/m multiply by 53.4 J/m to ft * lbf/inch multiply by 0.0187
ft * lbf/inch to J/cm multiply by 0.534 J/cm to ft * lbf/inch multiply by 1.87
ft * lbf/in2 to kJ/m2 multiply by 2.103 kJ/m3 to ft * lbf/in3 multiply by 0.4755
kW to metric horsepower multiply by 1.3596 metric horsepower to kW multiply by 0.7355
U.S. horsepower to kW multiply by 0.7457 kW to U.S. horsepower multiply by 1.3419
Btu to J multiply by 1055.1 J to Btu multiply by 0.00095
Btu to W * h multiply by 0.2931 W * h to Btu multiply by 3.412
Btu*in/(h*ft2*F) to W/(m*K) multiply by 0.1442 W/(m*K) to Btu*in/(h*ft2*F) multiply by 6.933
Btu/lb to kJ/kg multiply by 2.326 kJ/kg to Btu/lb multiply by 0.4299
Btu/(lb*F) to J/(kg*C) multiply by 4187 J/(kg*C) to Btu/(lb*F) multiply by 0.000239
V/mil to MV/m multiply by 0.0394 MV/m to V/mil multiply by 25.4
Output
lb/min to g/s multiply by 7.560 g/s to lb/min multiply by 0.1323
lb/h to kg/h multiply by 0.4536 kg/h to lb/h multiply by 2.2046
Velocity
in/min to cm/s multiply by 0.0423 cm/s to in/min multiply by 23.6220
ft/s to m/s multiply by 0.3048 m/s to ft/s multiply by 3.2808
Viscosity
poise to Pa*s multiply by 0.1 Pa*s to poise multiply by 10

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