Last updated July 29, 2026
Lenght
- 1 foot (ft) = 12 inches (in)
- 1 yard (yd) = 3 feet (ft)
- 1 mile = 1760 yards
- 1 link = 7.92 inches
- 1 rod, pole or perch = 25 links
- 1 chain = 22 yards = 4 rods
Area
- 1 ft² = 144 in²
- 1 yd² = 9 ft²
- 1 acre = 4840 yd²
- 1 mile² = 640 acres
Volume
- 1 ft³ = 1728 inch³
- 1 pint (British) = 4 gills
- 1 dry pint (USA only) = 16 fluid ounces
- 1 yard³ = 27 feet³
- 1 gallon = 8 pints
Mass
- 1 pound = 16 ounces
- 1 stone = 14 pounds
- 1 quarter = 2 stones
- 1 ton = 2240 pounds