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