Measurement Reference Guide
A quick and easy reference for common U.S. and metric measurement conversions, presented for clarity and everyday use.
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
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
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
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
- Weight
- 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
