[Energy | Pressure | Volume | Temperature | Mass | Power]
Value Input Unit Output Unit
Energy J cal BTU J cal BTU
Pressure Pa atm bar mm Hg psi Pa atm bar mm Hg psi
Volume m^3 cm^3 L ft^3 m^3 cm^3 L ft^3
Temperature ° C ° F K ° R ° C ° F K ° R
Mass kg lb kg lb
Power watt hp watt hp