US Measures & Equivalents

Capacity
1 cubic foot 1728 cubic inches
1 cubic foot 7.5 gallons
1 cubic yard 27 cubic feet
1 cubic yard 46,656 cubic inches
128 cu. feet 1 cord (wood)
40 cu. feet 1 ton (shipping)
2,150.42 cu. inches 1 standard bushel
231 cu. inches 1 US standard gallon
1 cu.foot 4/5 of a bushel
Area
1 sq. centimeter 0.1550 sq. inch
1 sq. inch 6.452 sq. centimeters
1 sq. decimeter 0.1076 sq. foot
1 sq. foot 9.2903 sq. decimeters
1 sq. meter 1.196 sq. yards
1 hectare 2.471 acres
1 acre 0.4047 hectare
1 sq. kilometer 0.386 sq. mile
1 sq. mile 2.59 sq. kilometers
Circular Calculations
Circumference 3.1416 X diameter
Area of circle .7854 X diameter squared
Capacity (Liquid)
2 cups 1 pint
4 gills 1 pint
2 pints 1 quart
4 quarts 1 gallon
31.5 gallons 1 barrel
Linear Measure
12 inches 1 foot
3 feet 1 yard
5.5 yards 1 rod
40 rods 1 furlong
8 furlong 1 statute mile
3 nautical miles 1 league
Capacity (Dry)
2 pints 1 quart
8 quarts 1 peck
4 pecks 1 bushel
36 bushels 1 caldron

Metrics Equivalents

Linear Measures
1 centimeter 0.3937 inch
1 inch 2.54 centimeters
1 decimeter 2.937 inches or 0.328 foot
1 foot 3.048 decimeters
1 meter 39.37 inches, 1.0936 yards
1 yard 0.9144 meter
1 dekameter 1.9884 rods
1 rod 0.5029 dekameter
1 kilometer 0.62137 mile
1 mile 1.6094 kilometers
Volume
1 cu. centimeter 0.061 cu. inch
1 cu. inch 16.39 cu. centimeters
1 cu. decimeter 0.0353 cu. foot
1 cu. foot 28.317 cu. decimeters
1 cu. yard 0.7646 cu. meter
1 cu. meter 0.2759 cord
1 cord 3.625 steres
1 liter 0.908 qt. dry; 1.0567 qts. liquid
1 quart dry 1.101 liters
1 quart liquid 0.9463 liters
1 dekaliter 2.6417 gallons, 1.135 pecks
1 gallon 0.3785 dekaliter
1 peck 0.881 dekaliter
1 hektoliter 2.8378 bushels
1 bushel 0.3524 hektoliter
Weight
1 gram 0.03527 ounce
1 ounce 28.35 grams
1 kilogram 2.2046 pounds
1 pound 0.4536 kilogram
1 metric ton 0.98421 English ton
1 English ton 1.016 metric ton