UNITS OF LENGTH |
| |
| 0.1 nanometer (exactly). |
| 0.000 1 micrometer (exactly). |
angstrom (Å)10----------------------- | 0.000 000 1 millimeter (exactly). |
| 0.000 000 004 inch. |
| |
| 120 fathoms (exactly). |
1 cable's length----------------------- | 720 feet (exactly). |
| 219 meters. |
| |
1 centimeter (cm)---------------------- | 0.393 7 inch. |
| |
1 chain (ch)--------------------------- | 66 feet (exactly). |
(Gunter's or surveyors) | 20.1168 meters |
| |
1 decimeter (dm)----------------------- | 3.937 inches. |
| |
1 dekameter (dam)---------------------- | 32.808 feet. |
| |
1 fathom------------------------------- | 6 feet (exactly). |
| 1.828 8 meters. |
| |
1 foot (ft)---------------------------- | 0.304 8 meter (exactly). |
| |
| 10 chains (surveyors) (exactly). |
1 furlong (fur)------------------------ | 660 feet (exactly). |
| 1/8 U.S. statute mile (exactly). |
| 201.168 meters. |
| |
[1 hand]------------------------------- | 4 inches. |
| |
1 inch (in)---------------------------- | 2.54 centimeters (exactly). |
| |
1 kilometer (km)----------------------- | 0.621 mile. |
| |
1 league (land)------------------------ | 3 U.S. statute miles (exactly). |
| 4.828 kilometers. |
| |
1 link (li) (Gunter's or surveyors)---- | 0.66 foot (exactly). |
| 0.201 168 meter. |
| |
1 meter (m)---------------------------- | 39.37 inches. |
| 1.094 yards. |
| |
1 micrometer--------------------------- | 0.001 millimeter (exactly). |
| 0.000 039 37 inch. |
| |
1 mil---------------------------------- | 0.001 inch (exactly). |
| 0.025 4 millimeter (exactly). |
| |
1 mile (mi) (U.S. statute)11---------- | 5280 feet survey (exactly). |
| 1.609 kilometers. |
| |
1 mile (mi) (international)------------ | 5280 feet international (exactly). |
| |
1 mile (mi) (international nautical)12 | 1.852 kilometers (exactly). |
| 1.151 survey miles. |
| |
1 millimeter (mm)---------------------- | 0.039 37 inch. |
| |
1 nanometer (nm)---------------------- | 0.001 micrometer (exactly). |
| 0.000 000 039 37 inch. |
| |
| 0.013 837 inch (exactly). |
1 Point (typography)------------------- | 1/72 inch (approximately). |
| 0.351 millimeter. |
| |
1 rod (rd), pole, or perch------------- | 16 1/2 feet (exactly). |
| 5.029 2 meters. |
| |
1 yard (yd)---------------------------- | 0.914 4 meter (exactly). |
| |
| |
|
| |
1 acre13---------------------------- | 43 560 square feet (exactly). |
| 0.405 hectare. |
| |
1 are------------------------------ | 119.599 square yards. |
| 0.025 acre. |
| |
1 hectare-------------------------- | 2.471 acre. |
| |
[1 square (building)]--------------- | 100 square feet. |
| |
1 square centimeter (cm2)----------- | 0.155 square inch. |
| |
1 square decimeter (dm2)------------ | 15.500 square inches. |
| |
1 square foot (ft2)----------------- | 929.030 square centimeters. |
| |
1 square inch (in2)----------------- | 6.451 6 square centimeters (exactly). |
| |
1 square kilometer (km2)------------ | 247.104 acre. |
| 0.386 square mile. |
| |
1 square meter (m2)----------------- | 1.196 square yards. |
| 10.764 square feet. |
| |
1 square mile (mi2)----------------- | 258.999 hectares. |
| |
1 square millimeter (mm2)----------- | 0.002 square inch. |
| |
1 square rod (rd2), sq pole, or sq perch----------------------- | 25.293 square meters. |
| |
1 square yard (yd2)----------------- | 0.836 square meter. |
| |
| |
UNITS OF CAPACITY OR VOLUME |
| |
1 barrel (bbl), liquid----------------- | 31 to 42 gallons.14 |
| |
1 barrel (bbl), standard for fruits, | 7056 cubic inches. |
vegetables, and other dry------------ | 105 dry quarts. |
commodities, except cranberries | 3.281 bushels, struck measure. |
| |
| 5 826 cubic inches. |
1 barrel (bbl), standard, cranberry---- | 86 45/64 dry quarts. |
| 2.709 bushels, struck measure. |
| |
1 bushel (bu) (U.S.) struck measure---- | 2150.42 cubic inches (exactly). |
| 35.239 liters. |
| |
[1 bushel, heaped (U.S.)]-------------- | 2 747.715 cubic inches. |
| 1.278 bushels, struck measure.15 |
| |
[1 bushel (bu) (British Imperial) | 1.032 U.S. bushels, struck measure |
(struck measure)]---------------------- | 2219.36 cubic inches. |
| |
1 cord (cd) (firewood)----------------- | 128 cubic feet (exactly). |
| |
1 cubic centimeter (cm3)--------------- | 0.061 cubic inch. |
| |
1 cubic decimeter (dm3)-------------- | 61.024 cubic inches. |
| |
1 cubic foot (ft3)--------------------- | 7.481 gallons. |
| 28.316 cubic decimeters. |
| |
| 0.554 fluid ounce. |
1 cubic inch (in3)----------------------- | 4.433 fluid drams. |
| 16.387 cubic centimeters. |
| |
1 cubic meter (m3)--------------------- | 1.308 cubic yards. |
| |
1 cubic yard (yd3)--------------------- | 0.765 cubic meter. |
| |
| 8 fluid ounces (exactly). |
1 cup, measuring----------------------- | 237 milliliters. |
| 1/2 liquid pint (exactly). |
| |
1 dekaliter (daL)---------------------- | 2.642 gallons. |
| 1.135 pecks. |
| |
| 1/8 fluid ounce (exactly). |
1 dram, fluid (or liquid) (fl dr | 0.226 cubic inch. |
or f) (U.S.)------------------------ | 3.697 milliliters. |
| 1.041 British fluid drachms. |
| |
| 0.961 U.S. fluid dram. |
[1 drachm, fluid (fl dr) (British)]---- | 0.217 cubic inch. |
| 3.552 milliliters. |
| |
| 231 cubic inches (exactly). |
1 gallon (gal) (U.S.)------------------ | 3.785 liters. |
| 0.833 British gallon. |
| 128 U.S. fluid ounces (exact-ly). |
| |
| 277.42 cubic inches. |
[1 gallon (gal) (British Imperial)]---- | 1.201 U.S. gallons. |
| 4.546 liters. |
| 160 British fluid ounces (exactly). |
| |
| 7.219 cubic inches. |
1 gill (gi)---------------------------- | 4 fluid ounces (exactly). |
| 0.118 liter. |
| |
1 hectoliter (hL)---------------------- | 26.418 gallons. |
| 2.838 bushels. |
| |
| 1.057 liquid quarts. |
1 liter (1 cubic decimeter exactly)---- | 0.908 dry quart. |
| 61.025 cubic inches |
| |
| 0.271 fluid dram. |
1 milliliter (mL)---------------------- | 16.231 minims. |
| 0.061 cubic inch. |
| |
1 ounce, fluid (or liquid) (fl oz | 1.805 cubic inches. |
or f)(U.S.)------------------------- | 29.573 milliliters. |
| 1.041 British fluid ounces.- |
| |
| 0.961 U.S. fluid ounce. |
[1 ounce, fluid (fl oz) (British)]----- | 1.734 cubic inches. |
| 28.412 milliliters. |
| |
1 peck (pk)---------------------------- | 8.810 liters. |
| |
1 pint (pt), dry---------------------- | 33.600 cubic inches. |
- | 0.551 liter. |
| |
1 pint (pt), liquid-------------------- | 28.875 cubic inches exactly. |
| 0.473 liter. |
| |
| 67.201 cubic inches. |
1 quart (qt), dry (U.S.)--------------- | 1.101 liters. |
| 0.969 British quart. |
| |
| 57.75 cubic inches (exactly). |
1 quart (qt), liquid (U.S.)------------ | 0.946 liter. |
| 0.833 British quart. |
| |
| 69.354 cubic inches. |
[1 quart (qt) (British)]--------------- | 1.032 U.S. dry quarts. |
| 1.201 U.S. liquid quarts. |
| |
| 3 teaspoons (exactly). |
1 tablespoon, measuring---------------- | 15 milliliters. |
| 4 fluid drams. |
| 1/2 fluid ounce (exactly). |
| |
| 1/3 tablespoon (exactly). |
1 teaspoon, measuring----------------- | 5 milliliters. |
| 1-1/3 fluid drams.16 |
| |
| 270.91 U.S. gallons. |
1 water ton (English)------------------ | 224 British Imperial gallons. |
| (exactly). |
| |
| |
|
| |
1 assay ton17 (AT)-------------------- | 29.167 grams. |
| |
1 carat (c)---------------------------- | 200 milligrams (exactly). |
| 3.086 grains. |
| |
1 dram apothecaries (dr ap or )--- | 60 grains (exactly). |
| 3.888 grams. |
| |
1 dram avoirdupois (dr avdp)---------- | 27-11/32 (= 27.344) grains. |
| 1.777 grams. |
| |
1 gamma (y)--------------------------- | 1 microgram (exactly). |
| |
1 grain-------------------------------- | 64.798 91 milligrams (exactly). |
| |
1 gram (g)----------------------------- | 15.432 grains. |
| 0.035 ounce, avoirdupois. |
| |
1 hundredweight, gross or long18 | 112 pounds (exactly). |
(gross cwt)-------------------------- | 50.802 kilograms. |
| |
1 hundredweight, gross or short | 100 pounds (exactly). |
(cwt or net cwt)--------------------- | 45.359 kilograms. |
| |
1 kilogram (kg)------------------------ | 2.205 pounds. |
| |
1 microgram (ug) [the Greek letter mu | |
in combination with the letter g]--- | 0.000 001 gram (exactly). |
| |
1 milligram (mg)----------------------- | 0.015 grain. |
| |
| 437.5 grains (exactly). |
1 ounce, avoirdupois (oz avdp)--------- | 0.911 troy or apothecaries ounce. |
| 28.350 grams. |
| |
1 ounce, troy or apothecaries | 480 grains (exactly). |
(oz t or oz ap or )---------------- | 1.097 avoirdupois ounces. |
| 31.103 grams. |
| |
1 pennyweight (dwt)------------------ | 1.555 grams. |
| |
1 point-------------------------------- | 0.01 carat. |
| 2 milligrams. |
| |
| 7000 grains (exactly). |
1 pound, avoirdupois (lb avdp)--------- | 1.215 troy or apothecaries pounds. |
| 453.592 37 grams (exactly). |
| |
1 pound, troy or apothecaries | 5760 grains (exactly). |
(lb t or lb ap)---------------------- | 0.823 avoirdupois pound. |
| 373.242 grams. |
| |
1 scruple (s ap or )---------------- | 20 grains (exactly). |
| 1.296 grams. |
| |
| 2240 pounds (exactly). |
1 ton, gross or long19----------------- | 1.12 net tons (exactly). |
| 1.016 metric tons. |
| |
| 2204.623 pounds. |
1 ton, metric (t)---------------------- | 0.984 gross ton. |
| 1.102 net tons. |
| |
| 2000 pounds (exactly). |
1 ton, net or short-------------------- | 0.893 gross ton. |
| 0.907 metric ton. |