Note: Displacement conversions are based on the US gallon defined as 231 cubic inches. See more at Wikipedia

Flow, Liquid [ + ]

L/sec L/min m³/hr ft³/min ft³/hr gal/min

Note: SI to US volumetric conversions are based on the US gallon defined as 231 cubic inches. See more at Wikipedia

Flow, Gas [ + ]

Nm³/hr scfh scfm

Length [ + ]

mm cm m km in ft yd mi

Note: In the conversions the mile is an English unit of length of linear measure equal to 5,280 feet, or 1,760 yards, and standardised as exactly 1,609.344 metres by international agreement in 1959. See more at Wikipedia

Mass [ + ]

g kg tonne lb oz

Note: In the conversions the international avoirdupois pound (symbol lb) has been defined as exactly 0.45359237 kg by international agreement since 1 July 1959. See more at Wikipedia

Power [ + ]

W kW HP BTU/h BTU/min

Note: In the conversions used the hydraulic/mechanical equivalent of horsepower (what is equal 745.69987158227022 watts in the International System of Units), and the heat equivalent is 2,545 BTU (British Thermal Units) per hour. See more at Wikipedia

Pressure [ + ]

bar psi kPa MPa kgf/cm² mm·Hg atm

Temperature [ + ]

°C °F°F=°C×9/5+32 KK=°C+273.15

Torque [ + ]

N·m kgfm ft·lb in·lb

Velocity [ + ]

m/s m/min km/h ft/s ft/min mi/h

Note: In the conversions the mile is an English unit of length of linear measure equal to 5,280 feet, and standardised as exactly 1,609.344 metres by international agreement in 1959. See more at Wikipedia

Note 1: US volumetric conversions are based on the US gallon defined as 231 cubic inches. Note 2: Imperial volumetric conversions are based on the standard imperial gallon defined as 277.4194 cubic inches. See more at Wikipedia