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ENGLISH SYSTEM OF WEIGHTS AND MEASURES |
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Linear Measure (Length) |
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1000 mils |
= 1 inch (in) |
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12 inches |
= 1 foot (ft) |
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3 feet |
= 1 yard (yd) |
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5.5 yards |
= 1 rod (rd) |
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40 rods |
= 1 furlong (fur) |
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8 furlongs |
= 1 mile (mi) |
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5280 feet |
= 1 mile |
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3 miles |
= 1 league (l) |
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144 square inches (sq in) |
= 1 square foot (sq ft) |
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9 square feet |
= 1 square yard (sq yd) |
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30.25 square yards |
= 1 square rod (sq rd) |
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160 square rods |
= 1 acre |
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640 acres |
= 1 square mile (sq mi) |
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1728 cubic inches (cu in) |
= 1 cubic foot (cu ft) |
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27 cubic feet |
= 1 cubic yard (cu yd) |
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231 cubic inches |
= 1 U.S. gallon (gal) |
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277.27 cubic inches |
= 1 British imperial gallon (i gal) |
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2150.42 cubic inches |
= 1 U.S. bushel (bu) |
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2219.36 cubic inches |
= 1 British imperial bushel (i bu) |
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4 fluid ounces (fl oz) |
= 1 gill (gi) |
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4 gills |
= 1 pint (pt) |
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2 pints |
= 1 quart (qt) |
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4 quart |
= 1 gallon |
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2 pints |
= 1 quart |
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8 quarts |
= 1 peck (pk) |
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4 pecks |
= 1 bushel |
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27.3438 grains |
= 1 dram (dr) |
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16 drams |
= 1 ounce (oz) |
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16 ounces |
= 1 pound (lb) |
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14 pounds |
= 1 stone |
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100 pounds |
= 1 hundredweight (cwt) |
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8 stones |
= 1 long hundredweight (l cwt) |
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2000 pounds |
= 1 short ton (ST) |
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2240 pounds |
= 1 long ton (LT) or 20 l cwt |
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24 grains |
= 1 pennyweight (dwt) |
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20 pennyweights |
= 1 ounce (oz t) |
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12 ounces |
= 1 pound (lb t) |
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20 grains |
= 1 scruple (s ap) |
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3 scruples |
= 1 dram (dr ap) |
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8 drams |
= 1 ounce (oz ap) |
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12 ounces |
= 1 pound (lb ap) |
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7.92 inches |
= 1 link (li) |
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100 links |
= 1 chain (ch) |
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66 feet |
= 1 chain |
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80 chains |
= 1 mile |
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6 feet |
= 1 fathom (fath) |
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120 fathoms |
= 1 cable's length (U.S. Navy) |
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1852 meters |
= 1 nautical mile (n mi) |
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1 nautical mile per hour (n mph) |
= 1 knot (k) |
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144 cubic inches (1' 1' 1") |
= 1 board foot(fbm) |
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16 cubic feet (4' 4' 1") |
= 1 cord foot (cd ft) |
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8 cord feet |
= 1 cord (cd) |
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25 sheets |
= 1 quire (qr) |
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20 quires |
= 1 standard ream (rm) |
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516 sheets |
= 1 printers' ream |
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2 reams |
= 1 bundle (bdl) |
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4 bundles |
= 1 case (c) |
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0.013837 inches |
= 1 point |
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12 points |
= 1 pica |
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60 seconds |
= 1 minute (min) |
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60 minutes |
= 1 degree |
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30 degrees |
= 1 zodiac sign |
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57.2958 degrees |
= 1 radian |
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90 degrees |
= 1 quadrant or right angle |
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360 degrees |
= 1 circle |
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METRIC SYSTEM OF WEIGHTS AND MEASURES |
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Linear Measure (Length) |
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1/10 meter (m) |
= 1 decimeter (dm) |
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1/10 decimeter |
= 1 centimeter (cm) |
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1/10 centimeter |
= 1 millimeter (mm) |
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1/1000 millimeter |
= 1 micrometer (mm); formerly micron |
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1/1000 micron |
= 1 nanometer (nm) |
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100 meters |
= 1 hectometer (hm) |
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10 hectometers |
= 1 kilometer (km) |
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1000 kilometers |
= 1 megameter |
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1 are |
= 1 square dekameter (sq dam) |
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1 hectare |
= 1 square hectometer (sq hm) |
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1/10 liter |
= 1 deciliter (dl) |
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1/1000 liter |
= 1 milliliter (ml) |
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1000 liters |
= 1 cubic meter (cu m) |
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1/1000 gram |
= 1 milligram (mg) |
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1/1000 milligram |
= 1 microgram (mg) |
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1000 grams |
= 1 kilogram (kg) |
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1000 kilograms |
= 1 metric ton (megagram, tonne) (t) |
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CONVERSION BETWEEN ENGLISH AND METRIC UNITS |
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Approximate Common Equivalents |
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Units of Length |
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1 inch |
= 25 millimeters |
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1 foot |
= 0.3 meter |
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1 yard |
= 0.9 meter |
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1 mile |
= 1.6 kilometers |
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1 square inch |
= 6.5 square centimeters |
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1 square foot |
= 0.09 square meter |
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1 square yard |
= 0.8 square meter |
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1 acre |
= 0.4 hectare |
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1 cubic inch |
= 16 cubic centimeters |
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1 cubic foot |
= 0.03 cubic meter |
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1 cubic yard |
= 0.8 cubic meter |
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1 quart |
= 1 liter |
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1 gallon |
= 0.004 cubic meter |
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1 ounce (avoirdupois) |
= 28 grams |
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1 pound (avoirdupois) |
= 0.45 kilogram |
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CONVERSION BETWEEN METRIC AND ENGLISH UNITS |
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Approximate Common Equivalents |
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Units of Length |
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1 millimeter |
= 0.04 inch |
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1 meter |
= 3.3 feet |
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1 meter |
= 1.1 yards |
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1 kilometer |
= 0.6 mile |
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1 square centimeter |
= 0.16 square inch |
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1 square meter |
= 11 square feet |
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1 square meter |
= 1.2 square yards |
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1 hectare |
= 2.5 acres |
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1 cubic centimeter |
= 0.06 cubic inch |
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1 cubic meter |
= 35 cubic feet |
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1 cubic meter |
= 1.3 cubic yards |
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1 liter |
= 1 quart |
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1 cubic meter |
= 250 gallons |
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1 gram |
= 0.035 ounce |
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1 kilogram |
= 2.2 pounds |
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MISCELLANEOUS UNITS OF WEIGHTS AND MEASURES |
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Absolute zero |
= -273.16 C (-459.69 F) |
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1 angstrom unit |
= 0.1 manometer |
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1 atmosphere |
= 760 mm of mercury |
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1 bolt of cloth |
= 40 yards |
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1 cup |
= 8 fluid ounces |
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1 gross |
= 12 dozen, or 144 |
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1 carat (international) |
= 200 milligrams (gem weight) |
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1 light-year |
= 5.88 1012 miles |
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1 megaton |
= 1 000 000 tons |
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1 tablespoon |
= 1/2 fluid ounce |
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3 teaspoons |
= 1 tablespoon |
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FOREIGN WEIGHTS AND MEASURES FORMERLY IN COMMON USE |
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Weights or Measures |
Where Used |
U.S. Equivalents |
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Almude |
Portugal |
4.423 gal |
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Ardeb |
Egypt |
5.6189 bu |
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Arroba |
Argentina |
25.32 lb |
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Arroba |
Brazil |
32.38 lb |
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Arroba |
Cuba |
25.36 lb |
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Arroba |
Paraguay |
25.32 lb |
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Arroba |
Venezuela |
25.40 lb |
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Arroba (liquid) |
Cuba; Spain; Venezuela |
4.263 gal |
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Arshin |
Russia |
28 in |
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Artel |
Morocco |
1.12 lb |
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Baril |
Argentina |
20.077 gal |
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Baril |
Mexico |
20.0787 gal |
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Berkovets |
Russia |
361.128 lb |
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Caballeria |
Cuba |
33.162 acres |
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Carat (metric) |
World |
3.086 grains |
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Catty |
China |
1.333 lb |
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Catty |
Indonesia |
1.36 lb |
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Centaro |
Central America |
4.2631 gal |
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Centner |
Denmark; Norway |
110.23 lb |
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Centner |
Sweden |
93.7 lb |
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Chetvert |
Russia |
5.957 bu |
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Ch'ih |
China |
12.60 in |
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Cho |
Japan |
357.90 ft |
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Cho (land measure) |
Japan |
2.4506 acres |
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Cuadra |
Argentina |
4.2 acres |
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Cuadra |
Paraguay |
1.85 acres |
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Cuadra |
Uruguay |
1.82 acres |
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Dessiatine |
Russia |
2.6997 acres |
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Drachma |
Greece |
49.38 grains |
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Dunam |
Israel |
0.22239 acre |
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Fanega (dry) |
Ecuador; El Salvador |
1.5745 bu |
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Fanega |
Chile |
2.75268 bu |
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Fanega (dry) |
Guatemala; Spain |
1.57744 bu |
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Fanega |
Mexico |
2.57716 bu |
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Fanega (liquid) |
Spain |
16 gal |
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Fanega |
Uruguay |
3.888 bu |
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Fanega |
Venezuela |
3.334 bu |
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Feddan |
Egypt |
1.038 acres |
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Frail (raisins) |
Spain |
50 lb |
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Frasco |
Argentina |
2.51 liquid qt |
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Funt |
Russia |
0.9028 lb |
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Garniec |
Poland |
1.0567 gal |
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Jerib |
Iran |
2.471 acres |
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Joch |
Austria |
1.422 acres |
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Joch |
Hungary |
1.067 acres |
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Kantar |
Egypt |
99.05 lb |
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Kantar |
Morocco |
112 lb |
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Kantar |
Turkey |
124.45 lb |
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Ken |
Japan |
5.965 ft |
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Kin |
Japan |
1.323 lb |
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Koku |
Japan |
5.119 bu |
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Kwan |
Japan |
8.267 lb |
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Li |
China |
1890 ft |
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Li |
China |
0.0126 in |
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Libra |
Argentina |
1.0128 lb |
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Libra |
Central America; Chile; Spain |
1.014 lb |
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Libra |
Cuba; Peru; Venezuela |
1.0143 lb |
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Libra |
Mexico |
1.01467 lb |
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Libra |
Uruguay |
1.0127 lb |
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Manzana |
Nicaragua |
1.742 acres |
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Manzana |
Costa Rica |
1.727 acres |
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Marco |
Bolivia |
0.507 lb |
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Mil |
Denmark |
4.68 mi |
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Milla |
Nicaragua |
1.1594 mi |
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Milla |
Honduras |
1.1493 mi |
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Mina |
Greece |
0.95 lb |
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Oke |
Greece |
2.82 lb |
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Oke |
Egypt |
2.7514 lb |
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Oke |
Turkey |
2.826 lb |
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Pic |
Egypt |
22.83 in |
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Picul |
China |
133.33 lb |
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Picul |
Indonesia |
136.16 lb |
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Picul |
Philippines |
139.44 lb |
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Pik |
Turkey |
27.9 in |
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Pood |
Russia |
36.113 lb |
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Pund |
Denmark |
1.102 lb |
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Quintal |
Argentina |
101.3 lb |
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Quintal |
Brazil |
129.54 lb |
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Quintal |
Chile |
101.43 lb |
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Quintal |
Mexico |
101.47 lb |
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Quintal |
Spain |
220.4 lb |
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Rotl |
Israel |
6.35 lb |
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Sagene |
Russia |
7 ft |
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Shaku |
Japan |
11.9303 in |
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Skalpund |
Sweden |
0.937 lb |
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S n |
Japan |
1.193 in |
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To |
Japan |
2.05 pk |
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Tonde (cereal) |
Denmark |
3.948 bu |
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Tonde (land) |
Denmark |
1.36 acres |
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Tsubo |
Japan |
35.58 sq ft |
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Ts'un |
China |
1.26 in |
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Tunna (wheat) |
Sweden |
4.16 bu |
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Tunnland |
Sweden |
1.22 acres |
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Vara |
Argentina |
34.0944 in |
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Vara |
Guatemala |
32.909 in |
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Vara |
Honduras |
32.874 in |
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Vara |
Nicaragua |
33.057 in |
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Vara |
Chile; Costa Rica; Peru |
32.913 in |
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Vara |
Cuba |
33.386 in |
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Vara |
Mexico |
32.992 in |
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Vedro |
Russia |
3.249 gal |
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Verst |
Russia |
0.663 mi |
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Vloka |
Poland |
41.50 acres |
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Approximate Common Equivalents |
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60 pound bushels - wheat and soybeans |
|
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1 short ton |
= 33.333 bushels |
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1 metric ton |
= 36.7437 bushels |
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1 long ton |
= 37.333 bushels |
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56 pound bushels - corn, sorghum, rye & flaxseed |
|
|
1 short ton |
= 35.714 bushels |
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1 metric ton |
= 39.638 bushels |
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1 long ton |
= 40 bushels |
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48 pound bushels - barley |
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|
1 short ton |
= 41.667 bushels |
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1 metric ton |
= 45.929 bushels |
|
1 long ton |
= 46.667 bushels |
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38 pound bushels - oats |
|
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1 short ton |
= 52.63 bushels |
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1 metric ton |
= 58.02 bushels |
|
1 long ton |
= 58.94 bushels |