The Metric System and Equivalents Linear Measure 1 centimeter = 10 millimeters = .39 inch 1 decimeter= 10 centimeters = 3.94 inches 1 meter = 10 decimeters = 39.37 inches 1 dekameter = 10 Meters = 32.8 feet 1 hectometer = 10 dekameters = 328.08 feet 1 kilometer = 10 hectometers = 3,280.8 feet Weights 1 centigram = 10 milligrams = .15 grain 1 decigram = 10 centigrams = 1.54 grains 1 gram = 10 decigram = 0.35 ounce 1 dekagram = 10 Grams = .35 ounce 1 hectogram = 10 dekagrams = 3.52 ounces 1 kilogram = 10 hectograms =  2.2 pounds 1 quintal = 100 kilograms = 220.46 pounds 1 metric ton = 10 quintals = 1.1 short tons Liquid Measure 1 centiliter = 10 milliliters = .34 fluid ounce 1 deciliter = 10 centiliters = 3.38 fluid ounces 1 liter = 10 deciliters = 33.81 fluid ounces 1 dekaliter = 10 liters = 2.64 gallons 1 hectoliter = 10 dekaliters = 27.42 gallons 1 kiloliter = 10 hectoliters = 264.18 gallons Square Measure 1 sq. centimeter = 100 sq millimeters = .155 sq. inch 1 sq. decimeter= 100 sq centimeters = 125.5 sq. inches 1 sq. meter (centare) = 100 sq decimeters = 10.76 sq. feet 1 sq. dekameter (are) = 1,076.4 sq. feet 1 sq. hectometer (hectare) = 100 sq. dekameters = 2.47 acres 1 sq. kilometer = 100 sq. hectometers = .386 sq. mile Cubic Measure 1 cu. centimeter = 1000 cu. millimeters = .06 cu. inch 1 cu. decimeter = 1000 cu. decimeters = 61.02 cu. inches 1 cu. meter = 1000 cu. decimeters = 35.31 cu. feet Approximate Conversion Factors To change To Multiply by To change To Multiply by inches centimeters 2.540 feet meters .305 yards meters .914 miles kilometers 1.609 square inches square centimeters 6.451 square feet square meters .093 square yards square meters .836 square miles square kilometers 2.590 acres square hectometers .405 cubic feet cubic meters .028 cubic yards cubic meters .765 fluid ounces milliliters 29.573 pints liters .473 quarts liters .946 gallons liters 3.785 ounces grams 28.349 pounds kilograms .454 short tons metric tons .907 pound-feet newton-meters 1.356 pounds-inches newton-meters .11296 ounce-inches newton-meters .007062 centimeters inches .394 meters feet 3.280 meters yards 1.094 kilometers miles .621 square centimeters square inches .155 square meters square feet 10.764 square meters square yards 1.196 square kilometers square miles .386 square hectometers acres 2.471 cubic meters cubic feet 35.315 cubic meters cubic yards 1.308 milliliters fluid ounces .034 liters pints 2.113 liters quarts 1.057 liters gallons .264 grams ounces .035 kilograms pounds 2.205 metric tons short tons 1.102 Temperature (Exact) F     Fahrenheit Temperature 5/9 (after subtracting 32) Celsius Temperature      C