Standard U.S. Measures

Linear Measures

• 12 inches = 1 foot
  
• 3 feet = 1 yard
  
• 5 yards = 1 rod
  
• 40 rods = 1 furlong
  
• 8 furlongs = 1 statute mile
  
• 3 miles = 1 league
  
• 5,280 feet = 1 statute mile
  
• 6,076.11549 feet = 1 nautical mile
  

Square Measures

• 144 square inches = 1 square foot
  
• 9 square feet = 1 square yard
  
• 30 _ square yds. = 1 square rod
  
• 160 square rods = 1 acre
  
• 640 acres = 1 square mile
  

Cubic Measures

• 1,728 cubic inches = 1 cubic foot
  
• 27 cubic feet = 1 cubic yard
  
• 231 cubic inches = 1 U.S. gallon
  
• 128 cubic feet = 1 cord (wood)
  
• 40 cubic feet = 1 ton (shipping)
  
• 2,150.42 cu. in. = 1 standard bushel
  

Liquid Measures

• 4 gils = 1 pint
  
• 2 pints = 1 quart
  
• 4 quarts = 1 gallon
  
• 31 gallons = 1 barrel
  
• 2 barrels = 1 hogshead
  

Dry Measures

• 2 pints = 1 quart
  
• 8 quarts = 1 peck
  
• 4 pecks = 1 bushel
  
• 36 bushels = 1 chaldron
  

Surveyor’s Measures

• 7.92 inches = 1 link
  
• 25 links = 1 rod
  
• 4 rods = 1 chain

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Metric to U.S. Conversions
Metric Measure Multiplied By Equals U.S. Measure

Length

• millimeter x 0.0394 = inches
  
• centimeter x 0.3937 = inches
  
• meters x 3.2808 = feet
  
• meters x 1.0936 = yards
  
• kilometers x 0.6214 = miles
  

Area

• sq. cm. x 0.155 = sq. inches
  
• sq. meters x 1.1960 = sq. yards
  
• sq. km. x 0.3861 = sq. miles
  
• hectares x 2.4710 = acres
  

Weight

• grams x 0.0353 = ounces
  
• kilograms x 2.2046 = pounds
  
• tons x 1.1 = short tons
  

Volume

• milliliters x 0.0338 = fluid ounces
  
• liters x 2.1134 = pints
  
• liters x 1.0567 = quarts
  
• liters x 0.2642 = gallons
  
• cu. meters x 35.3145 = cubic yards
  
• cu. meters x 1.3079 = cubic yards
  

Temperature

• centigrade x 1.8(+32) = fahrenheit

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U.S. to Metric Conversions
Metric Measure Multiplied By Equals U.S. Measure

Length

• inches x 2.54 = centimeters
  
• feet x 30.48 = centimeters
  
• yards x 0.9144 = meters
  
• miles x 1.6093 = kilometers
  

Area

• sq. inches x 6.452 = sq. cm.
  
• sq.feet x 0.0929 = sq.meters
  
• sq. yards x 0.8362 = sq. meters
  
• sq. miles x 2.59 = sq. kilometers
  
• acres x .4047 = hectares
  

Weight

• ounces x 28.3495 = grams
  
• pounds x 0.4536 = kilograms
  
• short tons x 0.9072 = tons
  

Volume

• fluid ounces x 29.574 = milliliters
  
• pints x 0.4732 = liters
  
• quarts x 0.9463 = liters
  
• gallons x 3.7853 = liters
  
• cubic feet x 0.0283 = cubic meters
  
• cubic yards x 0.7646 = cubic meters
  

Temperature

• fahrenheit -32(/1.8) = centigrade

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Metric Equivalents
To calculate the approx. metric measure equivalent to a known U.S. measure, simply multiply the U.S. quantity by the conversion factor in the center column. Example: 563 miles = 906 kilometers, approximately (563 x 1.6093 =906.04).

Approximate Equivalents

• 1 decimeter = 3.937 inches
  
• 1 liter = 1.1 qt., fl., 9 qt., dry
  
• 1 meter = 1.1 yards
  
• 1 kilometer = 0.621377 mile
  
• 1 kilogram = 2.2 pounds
  
• 1 metric ton = 2,200 pounds
  

Weights

• 1 gram = 0.03527 ounce
  
• 1 ounce = 28.35 grams
  
• 1 kilogram = 2.2046 pounds
  
• 1 pound = 0.4536 kilogram
  
• 1 metric ton = 1.1023 English tons
  
• 1 English ton = 0.9072 metric ton
  

Square Measures

• 1 sq. centimeter = 0.1550 sq. inch
  
• 1 sq. inch = 6.452 sq. cm
  
• 1 sq. foot = 9.2903 sq. dm.
  
• 1 sq. meter = 1.196 sq. yards
  
• 1 sq. yard = 0.8361 sq. meter
  
• 1 acre = 0.4047 hectare
  
• 1 sq. kilometer = 0.386 sq. mile
  
• 1 sq. mile = 2.59 sq. kilometers
  

Linear Measures

• 1 inch = 2.54 centimeters
  
• 1 foot = 3.048 decimeters
  
• 1 meter = 39.37 inches
  
• 1 yard = .9144 meter
  
• 1 kilometer = 0.62137
  
• 1 mile = 1.6093
  

Measures of Volume

• 1 cubic inch = 16.39 cu.cm.
  
• 1 cubic foot = 28.347 cu. dm.
  
• 1 cubic meter = 1.308 cu. yds.
  
• 1 liter = 1.0567 quarts liquid
  
• 1 quart liquid = 0.9463 liter

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