Avoirdupois Weight		Long Measure
27 11/32 grains ..... 1 dram		12 inches ..... 1 foot
16 drams ..... 1 ounce		3 feet ..... 1 yard
16 ounces ..... 1 pound		5 1/2 yards ..... 1 rod
2,240 pounds ..... 1 long ton		40 rods ..... 1 furlong
25 pounds ..... 1 quarters		8 furlongs ..... 1 statute mile
4 quarters ..... 1 cwt		3 miles ..... 1 league
2,000 pounds ..... 1 short ton

Square Measure
144 sq. inches ..... 1 link		40 sq. rods ..... 1 rood
9 sq. feet ..... 1 sq. yard		4 roods ..... 1 acre
30 1/4 sq. yards ..... 1 sq. rod		640 acres .... 1 sq. mile

Surveyors' Measure		Mariners' Measure
7,92 inches ..... 1 link		6 feet ..... 1 fathom
25 links ..... 1 rod		120 fathoms ..... 1 cable length
4 rods ..... 1 chain		7 1/2 cable lengths ..... 1 mile
10 sq. chains or 160 sq. rods ..... 1 acre		5,280 feet ..... 1 statute mile
640 acres ..... 1 sq. mile		6,076.1 feet ..... 1 nautical mile
36 sq. miles (6 miles sq.) ..... 1 township

Cubic Measure
1,728 cubic inches ..... 1 cubic foot		27 cubic feet ..... 1 cubic yard
128 feet ..... 1 cord (wood)		40 cubic feet ...... 1 ton (shipping)
2,150.42 cubic inches ..... 1 standard bushel		231 cubic inches ...... 1 US standard gallon
1 cubic foot ..... about 4/5 of a bushel		1 cubic centimeter ..... 0.061 cubic inch
1 cubic inch ..... 16.39 cubic centimeters		1 cubic decimeter ..... 0.0353 cubic foot
1 cubic foot ..... 28.317 cubic decimeters		1 cubic meter ..... 1.308 cubic yards
1 cubic yard ...... 0.7646 cubic meter		1 stere ..... 0.2759 cord
1 cord ..... 3.624 steres		1 quart dry ..... 1.101 liters
1 liter ..... 0.908 quart dry		1 liter ..... 1.0567 quarts liquid
1 quart liquid ..... 0.9463 liter		1 dekaliter ..... 2.6417 gallons
1 dekaliter ..... 1.135 pecks		1 gallon ...... 0.3785 dekaliter
1 peck ..... 0.881 dekaliter		1 hektoliter ..... 2.8375 bushels
1 bushel ..... 0.3524 hecktoliter

Approximate Metric Equivalents
1 decimeter ..... 4 inches		1 hectare ..... 2 1/2 acres
1 liter ..... 1.06 quarts liquid, 0.9 quart dry		1 kilogram ..... 2 1/2 pounds
1 meter ..... 1.1 yards		1 stere, or cubic meter ..... 1/4 cord
1 kilometer ..... 5/8 mile		1 metric ton ..... 2,200 pounds
1 hecktoliter ..... 2 5/8 bushels

Temperature Conversions
Degrees F - 32 x 5/9 = Degrees Celsius		Degrees C + 17.78 x 1.8 = Degrees Fahrenheit

Metric Equivalents - Linear Measure
1 centimeter ..... 0.3937 inch		1 inch ..... 2.54 centimeters
1 decimeter ..... 3.937 inches, 0.328 foot		1 foot ...... 3.048 decimeters
1 meter ..... 39.37 inches, 1.0936 yds		1 yard ..... 0.9144 meter
1 dekameter ..... 1.9884 rods		1 rod ..... 0.5029 dekameters
1 kilometer ..... 0.62137 mile		1 mile ..... 1.6093 kilometers

Square Measure
1 square centimeter ..... 0.1550 square inch		1 square inch ..... 6.452 square centimeters
1 square decimeter ..... 0.1076 square foot		1 square foot ..... 9.2903 square decimeters
1 square meter ..... 1.196 square yards		1 square yard ..... 0.8361 square meter
1 acre ..... 160 square rods		1 square rod ..... 0.00625 acre
1 hectare ..... 2.47 acres		1 acre ..... 0.4047 hectare
1 square kilometer ..... 0.386 square mile		1 square mile ..... 2.59 square kilometers

Weights
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

Power Conversions	Pressure Conversions	Force Conversions
SAE net hp x 0.7457 = kW	psi x 0.0703 = kg/cm2	lbs. x 0.004448 = kN
Kw x 1.341 = SAE net hp	psi x 0.06895 = bar
	psi x 6.895 kPa