"F" Conversion/Equivalency Factors
| Original Unit | Multiplied By | Conversion Factor | Equals | Final Unit |
|---|---|---|---|---|
| Fahrenheit, degrees (°F) | x | 0.555 6 (after subtracting 32) a | = | degrees Celsius (°C) |
| farads | x | 1,000,000 | = | microfarads |
| faradays | x | 26.80 | = | ampere–hours |
| faradays | x | 96,490 | = | coulombs (C) |
| faradays/second | x | 96,500 | = | amperes (absolute) |
| fathoms | x | 6 | = | feet (ft) |
| fathoms | x | 1.82 | = | meters (m) |
| feet (ft) | x | 30.48 | = | centimeters (cm) |
| feet (ft) | x | 12 | = | inches (in) |
| feet (ft) | x | 3.048E–04 | = | kilometers (km) |
| feet (ft) | x | 0.304 8 | = | meters (m) |
| feet (ft) | x | 1.645E–04 | = | miles (nautical) |
| feet (ft) | x | 1.894E–04 | = | miles (statute) |
| feet (ft) | x | 304.80 | = | millimeters (mm) |
| feet (ft) | x | 12,000 | = | mils |
| feet, English Imperial | x | 0.304 8 a | = | meters (m) |
| feet of water | x | 0.02 | = | atmospheres of water |
| feet of water | x | 0.88 | = | inches of mercury |
| feet of water | x | 0.03 | = | kilograms/square centimeter |
| feet of water | x | 304.80 | = | kilograms/square meter |
| feet of water | x | 62.43 | = | pounds/square foot |
| feet of water | x | 0.43 | = | pounds/square inch |
| feet/100 feet | x | 1 | = | percent grade |
| feet/minute | x | 0.50 | = | centimeters/second |
| feet/minute | x | 0.01 | = | feet/second |
| feet/minute | x | 0.018 29 | = | kilometers/hour |
| feet/minute | x | 0.30 | = | meters/minute |
| feet/minute | x | 0.01 | = | miles/hour |
| feet/second | x | 30.48 | = | centimeter/second |
| feet/second | x | 1.09 | = | kilometers/hour |
| feet/second | x | 0.59 | = | knots |
| feet/second | x | 18.29 | = | meters/minute |
| feet/second | x | 0.68 | = | miles/hour |
| feet/second | x | 0.01 | = | miles/minute |
| feet/second/second | x | 30.48 | = | centimeters/second/second |
| feet/second/second | x | 1.09 | = | kilometers/hour/second |
| feet/second/second | x | 0.30 | = | meters/second/second |
| feet/second/second | x | 0.68 | = | miles/hour/second |
| foot–candles | x | 10.763 91 | = | lumens/square meter |
| foot–pounds | x | 1.286E–03 | = | British thermal units (Btu) |
| foot–pounds | x | 13,600,000 | = | ergs |
| foot–pounds | x | 0.32 | = | gram–calories |
| foot–pounds | x | 5.05E–07 | = | horsepower–hours |
| foot–pounds | x | 1.355 818 | = | joules (J) |
| foot–pounds | x | 3.24E–04 | = | kilogram–calories |
| foot–pounds | x | 0.13 | = | kilogram–meters |
| foot–pounds | x | 3.77E–07 | = | kilowatthours (kWh) |
| foot–pounds/minute | x | 1.286E–03 | = | British thermal units/minute |
| foot–pounds/minute | x | 0.01 | = | foot–pounds/second |
| foot–pounds/minute | x | 3.03E–05 | = | horsepower (hp) |
| foot–pounds/minute | x | 3.24E–04 | = | kilogram–calories/minute |
| foot–pounds/minute | x | 2.26E–05 | = | kilowatts (kW) |
| foot–pounds/second | x | 4.62 | = | British thermal units/hour |
| foot–pounds/second | x | 0.07 | = | British thermal units/minute |
| foot–pounds/second | x | 8.18E–04 | = | horsepower (hp) |
| foot–pounds/second | x | 1.01 | = | kilogram–calories/minute |
| foot–pounds/second | x | 1.356E–03 | = | kilowatts |
| furlongs | x | 0.12 | = | miles, US |
| furlongs | x | 40 | = | rods |
| furlongs | x | 660 | = | feet (ft) |
a Exact conversion.
b Calculated by the Energy Information Administration.
c Estimated.