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EQUIVALENTS

The exponents 2 and 3 are used for square and cubic, respectively.
Name Metric Equivalents
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acre 0.404 685 64 hectares 43,560 feet2
acre 4,046,856 4 meters2 4,840 yards2
acre 0.004 046 856 4 0.001 562 5 miles2,
kilometers2 statute
are 100 meters2 119.599 yards2
barrel (petroleum, US) 158.987 29 liters 42 gallons
(proof spirits, US) 151.416 47 liters 40 gallons
(beer, US) 117.347 77 liters 31 gallons
bushel 35.239 07 liters 4 pecks
cable 219.456 meters 120 fathoms
chain (surveyor's) 20.116 8 meters 66 feet
cord (wood) 3.624 556 meters3 128 feet3
cup 0.236 588 2 liters 8 ounces, liquid (US)
degrees, celsius (water boils at 100 multiply by 1.8 and add
degrees C, freezes at 32 to obtain degrees F
0 degrees C)
degrees, fahrenheit subtract 32 and divide (water boils at 212
by 1.8 to obtain degrees F, freezes at
degrees C 32 degrees F)
dram, avoirdupois 1.771 845 2 grams 0.062 5 ounces, avoirdupois
dram, troy 3.887 934 6 grams 0.125 ounces, troy
dram, liquid (US) 3.696 69 milliliters 0.125 ounces, liquid
fathom 1.828 8 meters 6 feet
foot 30.48 centimeters 12 inches
foot 0.304 8 meters 0.333 333 3 yards
foot 0.000 304 8 kilometers 0.000 189 39 miles, statute
foot2 929.030 4 centimeters2 144 inches2
foot 2 0.092 903 04 meters2 0.111 111 1 yards2
foot3 28.316 846 592 liters 7.480 519 gallons
foot3 0.028 316 847 meters3 1,728 inches3
furlong 201.168 meters 220 yards
gallon, liquid (US) 3.785 411 784 liters 4 quarts, liquid
gill (US) 118.294 118 milliliters 4 ounces, liquid
grain 64.798 91 milligrams 0.002 285 71 oun