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

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