Unit Conversion Factors

Multiply by the factor to reach the base unit of each quantity. Temperature is an offset scale — use the converter.

Quantity	Unit	In base units
Length	1 mm	0.001 m
Length	1 cm	0.01 m
Length	1 in	0.0254 m
Length	1 ft	0.3048 m
Force	1 kN	1000 N
Force	1 lbf	4.4482216 N
Force	1 kgf	9.80665 N
Pressure	1 kPa	1000 Pa
Pressure	1 MPa	1000000 Pa
Pressure	1 GPa	1000000000 Pa
Pressure	1 psi	6894.757 Pa
Pressure	1 ksi	6894757 Pa
Pressure	1 bar	100000 Pa
Torque	1 N·mm	0.001 N·m
Torque	1 lbf·ft	1.3558179 N·m
Torque	1 lbf·in	0.11298483 N·m
Mass	1 g	0.001 kg
Mass	1 lb	0.45359237 kg
Mass	1 oz	0.028349523 kg
Energy	1 kJ	1000 J
Energy	1 ft·lbf	1.3558179 J
Energy	1 cal	4.184 J
Energy	1 BTU	1055.056 J
Power	1 kW	1000 W
Power	1 hp	745.6999 W

Live conversion for any pair: Unit Converter.

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