"A" Conversion/Equivalency Factors
| Original Unit | Multiplied By | Conversion Factor | Equals | Final Unit |
|---|---|---|---|---|
| acres | x | 0.404 69 | = | hectares or square hectometers |
| acres | x | 10 | = | square chains (Gunter's) |
| acres | x | 43,560 | = | square feet (ft2) |
| acres | x | 100,000 | = | square links (Gunter's) |
| acres | x | 4,046.873 | = | square meters (m2) |
| acres | x | 1.562E–03 | = | square miles (mi2) |
| acres | x | 4,840 | = | square yards (yd2) |
| acre–feet | x | 43,560 | = | cubic feet (ft3 or cf) |
| acre–feet | x | 325,900 | = | gallons (gal) |
| ampere–hours | x | 3,600 | = | coulombs (C) |
| ampere–hours | x | 0.03 | = | faradays |
| ampere–turns | x | 1.25 | = | gilberts |
| angstrom units | x | 3.94E–06 | = | inches (in) |
| angstrom units | x | 1.0E–10 | = | meters (m) |
| angstrom units | x | 1.0E–04 | = | microns |
| astronomical units | x | 149,597,900 | = | kilometers (km) |
| atmospheres | x | 1.03 | = | kilograms/square centimeter |
| atmospheres | x | 10,332 | = | kilograms/square meter |
| atmospheres | x | 14.70 | = | pounds/square inch |
| atmospheres | x | 1.05 | = | tons/square foot |
| atmospheres | x | 7.348E–03 | = | tons/square inch |
| atmospheres of mercury [at 0 degrees Celsius (°C)] | x | 29.92 | = | inches of mercury [at 0 degrees Celsius (°C)] |
| atmospheres of mercury | x | 76 | = | centimeters of mercury |
| atmospheres of water [at 4 degrees Celsius (°C)] | x | 33.90 | = | feet of water [at 4 degrees Celsius (°C)] |
a Exact conversion.
b Calculated by the Energy Information Administration.
c Estimated.
This table was last updated January 31, 2014.