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Length
| Metric System 1 millimeter = 1/1,000 meter 1 centimeter = 1/100 meter 1 decimeter = 1/10 meter 1 meter (basic unit of length) 1 dekameter = 10 meters 1 kilometer = 1,000 meters |
American and British Units 1 inch = 1/36 yard = 1/12 foot 1 foot = 1/3 yard 1 yard (basic unit of length) 1 rod = 5 1/2 yards 1 furlong = 220 yards = 40 rods 1 mile = 1,760 yards = 5,280 feet 1 fathom = 6 feet 1 nautical mile = 6,076.1 feet |
Conversion Factors 1 centimeter = 0.39 inch 1 inch = 2.54 centimeters 1 meter = 39.37 inches 1 foot = 0.305 meter 1 meter = 3.28 feet 1 yard = 0.914 meter 1 meter = 1.094 yards 1 kilometer = 0.62 mile 1 mile = 1.609 kilometers |
Area
| Metric System 1 square centimeter = 1/10,000 square meter 1 square decimeter = 1/100 square meter 1 square meter (basic unit of area) 1 are = 100 square meters 1 hectare = 10,000 square meters = 100 ares 1 square kilometer = 1,000,000 square meters |
American and British Units 1 square inch = 1/1,296 square yard = 1/144 square foot 1 square foot = 1/9 square yard 1 square yard (basic unit of area) 1 square rod = 30 1/4 square yards 1 acre = 4,840 square yards = 160 square rods 1 square mile = 3,097,600 square yards = 640 acres |
Conversion Factors 1 square centimeter = 0.155 square inch 1 square inch = 6.45 square centimeters 1 acre = 0.405 hectare 1 hectare = 2.47 acres 1 square kilometer = 0.386 square mile 1 square mile = 2.59 square kilometers |
Volume and Capacity
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Metric System 1 cubic centimeter = 1/1,000,000 cubic meter1 cubic decimeter = 1/1,000 cubic meter 1 cubic meter = 1 stere (basic unit of volume) 1 milliliter = 1/1,000 liter = 1 cubic centimeter 1 centiliter = 1/100 liter 1 deciliter = 1/10 liter 1 liter = 1 cubic decimeter (basic unit of capacity) 1 dekaliter = 10 liters 1 hectoliter = 100 liters = 1/10 cubic meter |
American and British Units 1 cubic inch = 1/46,656 cubic yard = 1/1,728 cubic foot 1 cubic foot = 1/27 cubic yard 1 cubic yard (basic unit of volume) 1 U.S. fluid ounce = 1/128 U.S. gallon = 1/16 U.S. pint 1 British imperial fluid ounce = 1/160 imperial gallon = 1/20 imperial pint 1 pint = 1/8 gallon = 1/2 quart 1 quart = 1/4 gallon 1 U.S. gallon = 231 cubic inches 1 imperial gallon = 277.4 cubic inches 1 dry pint = 1/64 bushel = 1/2 dry quart 1 dry quart = 1/32 bushel = 1/8 peck 1 peck = 1/4 bushel 1 U.S. bushel = 2,150.4 cubic inches 1 imperial bushel = 2,219.4 cubic inches |
Conversion Factors 1 cubic centimeter = 0.06 cubic inch 1 cubic inch = 16.4 cubic centimeters 1 cubic yard = 0.765 cubic meter 1 cubic meter = 1.3 cubic yards 1 milliliter = 0.034 fluid ounce 1 fluid ounce = 29.6 milliliters 1 U.S. quart = 0.946 liter 1 liter = 1.06 U.S. quarts 1 U.S. gallon = 3.8 liters 1 imperial gallon = 1.2 U.S. gallons = 4.5 liters 1 liter = 0.9 dry quart 1 dry quart = 1.1 liters 1 dekaliter = 0.28 U.S. bushel 1 U.S. bushel = 0.97 imperial bushel = 3.5 dekaliters |
Weight (Mass)
Metric System
1 milligram = 1/1,000,000 kilogram = 1/1,000 gram
1 centigram = 1/100,000 kilogram = 1/100 gram
1 decigram = 1/10,000 kilogram = 1/10 gram
1 gram = 1/1,000 kilogram
1 dekagram = 1/100 kilogram = 10 grams
1 hectogram = 1/10 kilogram = 100 grams
1 kilogram (basic unit of weight or mass)
1 metric ton = 1,000 kilograms
