The US Customary System of Measures

The following are the English System of measurement
 

Length
12 inches = 1 foot
3 feet = 1 yard
220 yards = 1 furlong
8 furlongs = 1 mile
5 280 feet = 1 mile
1 760 yards = 1 mile
 

Area
144 square inches = 1 square foot
9 square feet = 1 square yard
4 840 square yards = 1 acre
640 acres = 1 square mile
1 square mile = 1 section
36 sections = 1 township
 

Volume
1,728 cubic inches = 1 cubic foot
27 cubic feet = 1 cubic yard
 

Mass
437.5 grains = 1 ounce
16 ounces = 1 pound
14 pounds = 1 stone
100 pounds = 1 hundredweight
20 hundredweights = 1 ton
 

Capacity (Dry)
16 fluid ounces = 1 pint
2 pints = 1 quart
8 quarts = 1 peck
4 pecks = 1 bushel
 

Capacity (Liquid)
4 gills = 1 pint
2 pints = 1 quart
4 quarts = 1 gallon
 

Apothecaries' Measures
60 minims = 1 fluid dram
8 fluid drams = 1 fluid ounce
16 fluid ounces = 1 pint
 

Apothecaries' Weights
20 grains = 1 scruple
3 scruples = 1 dram
8 drams = 1 ounce
 

Troy Weights
24 grains = 1 pennyweight
20 pennyweights = 1 ounce