Engineering ToolBox - Resources, Tools and Basic Information for Engineering and Design of Technical Applications!

USCS - United States Customary System Units

An overview of the United States Customary System Units - Imperial Units.

USCS - United States Customary System Units - the measuring units used in the U.S. is based on the

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

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

Commonly used USCS and SI-units

United States Customary System Units - USCS - vs. SI-units
USCS unitSI unitSI symbolConversion 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:

3D Engineering ToolBox - draw and model technical applications! 2D Engineering ToolBox - create and share online diagram drawing templates! Engineering ToolBox Apps - mobile online and offline engineering applications!

Unit Converter


















































5.9.10

.