Weights and Measures

Areas or Surfaces

1 acre = 43,560 square feet = 4,840 square yards = 0.405 hectare
1 are = 119.599 square yards = 0.025 acre
1 bolt length = 100 yards
1 bolt width = 45 or 60 inches
1 hectare = 2.471 acres
1 mile square = 1 section (of land)
1 square (building) = 100 square feet
1 square centimeter = 0.155 square inch
1 square decimeter = 15.500 square inches
1 square foot = 929.030 square centimeters
1 square inch = 6.4516 square centimeters
1 square kilometer = 247.104 acres = 0.386 square mile
1 square meter = 1.196 square yards = 10.764 square feet
1 square mile = 258.999 hectares
1 square millimeter = 0.002 square inch
1 square rod, square pole, or square perch = 25.293 square meters
1 square yard = 0.836 square meter
10,000 square centimeters = 1 square meter = 1,000,000 square millimeters
100 acres = 40.5 hectare = 405,000 square meters
100 hectares = 1 square kilometer = 1,000,000 square meters
100 square meters = 1 are
100 square millimeters = 1 square centimeter
144 square inches = 1 square foot
160 square rods = 1 acre = 4,840 square yards = 43,560 square feet
30 1/4 square yards = 1 square rod = 272 1/4 square feet
40 square rods = 1 rood
6 miles square = 1 township = 36 sections = 36 square miles
640 acres = 1 square mile
9 square feet = 1 square yard = 1,296 square inches

Capacities or Volumes

1 barrel liquid = 31 to 42 gallons
1 barrel, standard, cranberry = 5,826 cubic inches = 86 45/64 dry quarts = 2.709 bushels, struck measure
1 barrel, standard, for fruits, vegetables, and other dry commodities except dry cranberries = 7,056 cubic inches = 105 dry quarts = 3.281 bushels, struck measure
1 board foot = a foot-square board 1 inch thick
1 bushel (British Imperial) (struck measure) = 1.032 U.S. bushels struck measure = 2,219.36 cubic inches
1 bushel (U.S.) (struck measure) = 2,150.42 cubic inches = 35.239 liters
1 bushel, heaped (U.S.) = 2,747.715 cubic inches = 1.278 bushels, struck measure
1 cord firewood = 128 cubic feet
1 cubic centimeter = 0.061 cubic inch
1 cubic decimeter = 61.024 cubic inches
1 cubic foot = 7.481 gallons = 28.317 cubic decimeters
1 cubic inch = 0.554 fluid ounce = 4.433 fluid drams = 16.387 cubic centimeters
1 cubic meter = 1.308 cubic yards
1 cubic yard = 0.765 cubic meter
1 cup, measuring = 8 fluid ounces = 1/2 liquid pint
1 deciliter = 2.642 gallons = 1.135 pecks
1 dram, fluid (British) = 0.961 U.S. fluid dram = 0.217 cubic inch = 3.552 milliliters
1 gallon (British Imperial) = 277.42 cubic inches = 1.201 U.S. gallons = 4.546 liters = 160 British fluid ounces
1 gallon (U.S.) = 231 cubic inches = 3.785 liters = 0.833 British gallon = 128 U.S. fluid ounces
1 gill = 7.219 cubic inches = 4 fluid ounces = 0.118 liter
1 hectoliter = 26.418 gallons = 2.838 bushels
1 liter = 1.057 liquid quarts = 0.908 dry quart = 61.025 cubic inches
1 milliliter = 0.271 fluid dram = 16.231 minims = 0.061 cubic inch
1 ounce liquid (U.S.) = 1.805 cubic inches = 29.573 milliliters = 1.041 British fluid ounces
1 ounce, fluid (British) = 0.961 U.S. fluid ounce = 1.734 cubic inches = 28.412 milliliters
1 peck = 8.810 liters
1 pint, dry = 33.600 cubic inches = 0.551 liter
1 pint, liquid = 28.875 cubic inches = 0.473 liter
1 quart (British) = 69.354 cubic inches = 1.032 U.S. dry quarts = 1.201 U.S. liquid quarts
1 quart dry (U.S.) = 67.201 cubic inches = 1.01 liters = 0.969 British quart
1 quart liquid (U.S.) = 57.75 cubic inches = 0.946 liter = 0.833 British quart
1 tablespoon = 3 teaspoons = 4 fluid drams = 1/2 fluid ounce
1 teaspoon = 1/3 tablespoon = 1 1/3 fluid drams

Cubic Measure

1 cubic foot = 1,728 cubic inches
1,000 cubic centimeters = 1 cubic decimeter = 1,000,000 cubic millimeters
1,000 cubic decimeters = 1 cubic meter = 1 stere = 1,000,000 cubic centimeters = 1,000,000,000 cubic millimeters
1,000 cubic millimeters = 1 cubic centimeter
27 cubic feet = 1 cubic yard

Lengths

1 angstrom = 0.1 nanometer = 0.0001 micrometer = 0.0000001 millimeter = .000000004 inch
1 cable's length = 120 fathoms = 720 feet = 219 meters
1 centimeter = 0.3937 inch
1 chain (engineers) = 100 feet = 30.48 meters
1 chain (Gunter's or surveyor's) = 66 feet = 20.1168 meters
1 decimeter = 3.937 inches
1 degree (geographical) = 364,566.929 feet = 69.047 miles = 111.123 kilometers
1 degree of latitude = 68.708 miles at equator = 69.403 miles at poles
1 degree of longitude = 69,171 miles at equator
1 decameter = 32.808 feet
1 fathom = 6 feet = 1.8288 meters
1 foot = 0.3048 meters
1 furlong = 10 chains (surveyors) = 660 feet = 1/8 statute mile = 201.168 meters
1 hand = 4 inches
1 inch = 2.54 centimeters
1 international nautical mile = 1.852 kilometers = 1.150779 survey miles = 6,076.11549 feet
1 kilometer = 0.621 mile = 3,281.5 feet
1 league = 3 survey miles = 4.828 kilometers
1 link (Gunter's or surveyor's) = 7.92 inches = 0.201 meter
1 link engineers = 1 foot = 0.305 meter
1 meter = 39.37 inches = 1.094 yards
1 micrometer = 0.001 millimeter = 0.00003937 inch
1 mil = 0.001 inch = 0.0254 millimeter
1 mile = 5,280 feet = 1.609 kilometers
1 millimeter = 0.03937 inch
1 nanometer = 0.001 micrometer = 0.00000003937 inch
1 pica = 12 points
1 point = 0.013837 inch = 0.351 millimeter
1 rod, pole, or perch = 16 1/2 feet = 5.029 meters
1 yard = 0.9144 meter
100 fathoms = 1 cable length
12 inches = 1 foot
3 feet = 1 yard
3 miles = 1 league = 5,280 yards = 15,840 feet
4 rods = 1 chain 40 rods = 1 furlong = 220 yards = 660 feet
5 1/2 yards = 1 rod, pole, or perch (16 1/2 feet)
6076.11549 feet = 1 International Nautical Mile
8 furlongs = 1 statute mile = 1,760 yards = 5,280 feet

Surveyor's Chain Measure

100 links = 1 chain = 4 rods = 66 feet
7.92 inches = 1 link
80 chains = 1 survey mile = 320 rods = 5,280 feet

Temperature Conversion

From °F to °C: subtract 32, multiply by 5, divide by 9
From °C to °F: multiple by 9, divide by 5, add 32

Weights or Masses

1 assay ton = 29.167 grams
1 bale = 500 pounds in U.S. = 750 pounds in Egypt
1 carat = 200 milligrams = 3.086 grains
1 dram avoirdupois = 27 11/32 or 27.344 grains = 1.772 grams
1 gamma = 1 microgram
1 grain = 64.799 milligrams
1 gram = 15.432 grains = 0.035 ounce, avoirdupois
1 hundredweight, gross or long = 112 pounds = 50.802 kilograms
1 hundredweight, net or short = 100 pounds = 45.359 kilograms
1 kilogram = 2.205 pounds
1 microgram = 0.000001 gram
1 milligram = 0.015 grain
1 ounce, avoirdupois = 437.5 grains = 0.911 troy ounce = 28.350 grams
1 ounce, troy = 480 grains = 1.097 avoirdupois ounces = 31.103 grams
1 pennyweight = 1.555 grams
1 pound, avoirdupois = 7,000 grains = 1.215 troy pounds = 453.59237 grams
1 pound, troy = 5,760 grains = 0.823 avoirdupois pound = 373.242 grams
1 ton, gross or long = 2,240 pounds = 1.12 net tons = 1.016 metric tons
1 ton, metric = 2,204.623 pounds = 0.984 gross ton = 1.102 net tons
1 ton, net or short = 2,000 pounds = 0.893 gross ton = 0.907 metric ton
1,000 kilograms = 1 metric ton
10 centigrams = 1 decigram = 100 milligrams
10 decigrams = 1 gram = 1,000 milligrams
10 dekagrams = 1 hectogram = 100 grams
10 grams = 1 dekagram
10 hectograms = 1 kilogram = 1,000 grams
10 milligrams = 1 centigram







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