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Metric conversion charts
Use the various charts provided below to convert standard US length,
area, volume, and weight measurements to their metric equivalents, using
the formulas provided.
Length conversion
constants
Length conversion constants 
Millimeters 
x .039370 
= inches 
Inches 
x 25.4001 
= millimeters 
Meters 
x 39.370 
= inches 
Inches 
x .0254 
= meters 
Meters 
x 3.2808 
= feet 
Feet 
x .30480 
= meters 
Meters 
x 1.09361 
= yards 
Yards 
x .91440 
= meters 
Kilometers 
x 3,280.8 
= feet 
Feet 
x .0003048 
= kilometers 
Kilometers 
x .62137 
= statute miles 
Statute Miles 
x 1.60935 
= kilometers 
Kilometers 
x .53959 
= nautical miles 
Nautical Miles 
x 1.85325 
= kilometers 
Area conversion constants
Area conversion constants 
Sq millimeters 
x .00155 
= sq inches 
Sq inches 
x 645.163 
= sq millimeters 
Sq centimeters 
x .155 
= sq inches 
Sq inches 
x 6.45163 
= sq centimeters 
Sq meters x 10. 
x 10.76387 
= sq feet 
Sq feet 
x .0929 
= sq meters 
Sq meters 
x 1.19599 
= sq yards 
Sq yards 
x .83613 
= sq meters 
Hectares 
x 2.47104 
= acres 
Acres 
x .40469 
= hectares 
Sq kilometers 
x 247.104 
= acres 
Acres 
x .0040469 
= sq kilometers 
Sq kilometers 
x .3861 
= Sq miles 
Sq miles 
x 2.5899 
= sq kilometers 
Volume conversion constants
Volume Conversion Constants 
Cu centimeters 
x .033818 
= fluid ounces 
Fluid ounces 
x 29.57 
= cu centimeters 
Cu centimeters 
x .061023 
= cu inches 
Cu inches 
x 16.387 
= cu centimeters 
Cu centimeters 
x .271 
= fluid drams 
Fluid drams 
x 3.69 
= cu centimeters 
Liters 
x 61.023 
= cu inches 
Cu inches 
x .016387 
= liters 
Liters 
x 1.05668 
= quarts 
Quarts 
x .04636 
= liters 
Liters 
x .26517 
= gallons 
Gallons 
x 3.78543 
= liters 
Liters 
x 035317 
= cu feet 
Cu feet 
x 28.316 
= liters 
Hectoliters 
x 26.417 
= gallons 
Gallons 
x .0378543 
= hectoliters 
Hectoliters 
x 3.5317 
= cu feet 
Cu feet 
x .28316 
= hectoliters 
Hectoliters 
x 2.83794 
= bushel 
Bushel 
x .352379 
= hectoliters 
Hectoliters 
x .1308 
= cu yards 
Cu yards 
x 7.645 
= hectoliters 
Cu meters 
x 264.17 
= gallons 
Gallons 
x .03378543 
= cu meters 
Cu meters 
x 35.317 
= cu feet 
Cu feet 
x .28316 
= cu meters 
Cu meters 
x 1.308 
= cu yards 
Cu yards 
x .7645 
= cu meters 
Weight conversion constants
Weight Conversion Constants 
Grams 
x 981 
= dynes 
Dynes 
x .0010193 
= grams 
Grams 
x 15.432 
= grams 
Grams 
x .0648 
= grams 
Grams 
x .03527 
= ounces 
Ounces 
x 28.35 
= grams 
Grams 
x .033818 
= fluid ounces 
Fluid ounces 
x 29.57 
= grams 
Kilograms 
x 35.27 
= ounces 
Ounces 
x .2835 
= kilograms 
Kilograms 
x 2.20462 
= pounds 
Pounds 
x .45359 
= kilograms 
Metric ton 
x 1.10231 
= net ton 
Net ton 
x .90719 
= metric tons 
Metric tons 
x .984221 
= gross ton 
Gross ton 
x 1.01605 
= metric tons 
Standard metric measurements
Standard Metric
Measurements 
Length Measures 

Area Measures 
10 millimeters 
= 1 centimeter 

100 sq millimeters 
= 1 sq centimeter 
10 centimeters 
= 1 decimeter 

100 sq centimeters 
= 1 sq decimeter 
10 decimeters 
= 1 meter 

100 sq decimeters 
= 1 sq meter 
1000 meters 
= 1 kilometer 



Volume Measure (Dry) 

Volume Measure (Liquid) 
1000 cu millimeters 
= 1 cu centimeter 

10 milliliters 
= 1 centiliter 
1000 cu centimeters 
= 1 cu decimeter 

10 centiliters 
= 1 deciliter 
1000 cu decimeters 
= 1 cu meter 

10 deciliters 
= 1 liter 



100 liters 
= 1 hectoliter 
Weight Measure 

10 milligrams 
= 1 centigram 
10 centigrams 
= 1 decigram 
10 decigrams 
= 1 gram 
10 grams 
= 1 decagram 
10 decagrams 
= 1 hectogram 
10 hectograms 
= 1 kilogram 
1000 kilograms 
= 1 metric ton 
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