Example image of eyePlorer eyePlorer map for 'United States customary units': United States Units of measurement Imperial units International System of Units Metric system Science Kilogram Mendenhall Order Metre British Empire Comparison of the imperial and US customary measurement systems English units United Kingdom Metrication Metrication in the United States Foot (length) Mile Pound (mass) Inch Yard Commonwealth of Nations State Plane Coordinate System U.S. National Geodetic Survey Parts-per notation Cubic foot Cubic inch Cubic yard Avoirdupois Barrel (volume) Drum (container) Bushel Peck Apothecaries' system Troy weight Force Mass Pound-force Dram Pennyweight Dram (unit) Ammunition Fahrenheit Temperature Rankine scale Thermodynamic temperature Thermodynamics Celsius Kelvin Atmosphere (unit) Linear function