USCS - United States Customary System Units

United States Customary System Units or Imperial Units

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USCS - United States Customary System Units are the measuring units used in the U.S. consisting of the

  • mile
  • foot
  • inch
  • gallon
  • second
  • pound

USCS units are also called Imperial units. Imperial or USCS units are gradually being replaced by SI units.

Commonly used USCS and SI-units

USCS unit SI unit SI symbol Conversion factor (mutiply USCS unit with factor )
Square foot Square meter m2 0.0929
Cubic foot Cubic meter m3 0.2831
Pound per square inch Kilopascal kPa 6.894
Pound force Newton N 4.448
Foot pound torque Newton meter N·m 1.356
Kip foot Kilonewton meter kN·m 1.356
Gallon per minute Liter per second L/s 0.06309
Kip per square inch Megapascal MPa 6.89
  •   a kip is 1000 lb

More conversions:

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  • Basics - Basic Information as SI-system, Unit converters, Physical constants...

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