Linear
1 foot = 12 inches
1 yard = 3 feet = 36 inches
1 chain = 22 yards = 66 feet = 2,376 inches
1 furlong = 10 chains = 220 yards = 660 feet = 23,760 inches
1 (statute) mile = 8 furlongs = 80 chains = 1,760 yards = 5,280 feet = 63,360 inches
1 nautical mile = 2,025 yards = 6,075 feet = 72,900 inches
Area
1 square foot = 144 square inches
1 square yard = 9 square feet = 1,296 square inches
1 acre = 4,840 square yards = 43,560 square feet = 6,272,640 square inches
Volume
1 cubic foot = 1,728 cubic inches
1 cubic yard = 27 cubic feet = 46,656 cubic inches
Liquid Volume
1 pint = 16 ounces
1 quart = 2 pints = 32 ounces
1 gallon = 4 quarts = 8 pints = 128 ounces
Weight / Mass
1 pound = 16 ounces
1 ton = 2,000 pounds = 32,000 ounces
