Technical Reference Information


Standard formula for Metric-English and English-Metric conversion are listed below:

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
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 10.76387 = sq feet Sq feet x .0929 = sq meters
Sq meters x 1.19599 = sq yards Sq yards x .83613 = sq meters
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
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 x61.023 = 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
 
Weight Conversion Constants
Grams x 981 = dynes Dynes x .0010193 = grams
Metric Grams x 15.432 = grams Grams x .0648 = metric 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 .02835 = 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

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