51 Metric Conversions EQUIVALENTS US to Metric Metric to US Length 1 inch = 25.4 millimeters 1 millimeter = .03937 Inch 1 inch = 2.54 centimeters 1 centimeter = .3937 inch 39.37 inches = 1 meter 1 meter = 39.37 inches 1 foot = .3048 meter 1 meter = 3.2808 feet 1 mile = 1.609 kilometers 1 kilometer = .6214 mile Area 1 square inch = 6.4516 square centimeters 1 square centimeter = .155 square inches 1 square foot = 929.03 square centimeters 1 square centimeter = .0011 square feet 1 square foot = .0929 square meters 1 square meter = 10.76 square feet Weight 1 ounce = 28.35 grams 1 gram = .0353 ounce 1 pound = .4536 kilograms 1 kilogram = 2.2046 pounds 1 ton = .9072 metric ton 1 metric ton = 1.1025 tons (2205 pounds) Temperature 32°F = 0°C 0°C = 32°F Volume 1 cubic inch = 16.3871 cubic centimeters 1 cubic centimeter = .0610 cubic inch 1 cubic foot = .0283 cubic meter 1 cubic meter = 35.3145 cubic feet 1 cubic yard = .7640 cubic meter 1 cubic meter = 1.3080 cubic yards 1 quart = .9463 liter 1 liter = 1.0567 quarts 1 gallon = 3.7853 liters 1 liter = .2642 gallons Speed 1 foot per minute = .0051 meters per second 1 meter per second = 196.8504 feet per minute Force 1 pound per square inch = 1 kilogram per square centimeter = .0703 kilograms per square centimeter 14.2248 pounds per square inch 1 pound per square inch = .00689 megapascals 1 megapascal = 145.0377 pounds per square inch 1 pound force = 4.5352 newtons 1 newton = .2205 pounds force CONVERSION FORMULAS US to Metric Metric to US Length inches × 25.4 = millimeters millimeters × .0394 = inches inches × 2.54 = centimeters centimeters × .394 = inches inches × .0254 = meters meters × 39.37 = inches yards × .914 = meters meters × 1.1 = yards miles × 1.609 = kilometers kilometers × .6214 = miles Area square inches × 6.4516 = square centimeters square centimeters × .1550 = square inches square feet × .0929 = square meters square meters × 10.76 = square feet square yards × .8361 = square meters square meters × 1.1960 = square yards Weight ounces × 28.3500 = grams grams × .0353 = ounces pounds × .4536 = kilograms kilograms × 2.2046 = pounds tons × .9072 = metric tons metric tons × 1.1025 = tons Temperature (°F - 32) × .556 = °C (°C × 1.8) + 32 = °F Volume cubic yards × .7646 = cubic meters cubic meters × 1.3079 = cubic yards quarts × .9463 = liters liters × 1.0567 = quarts gallons × 3.7852 = liters liters × .2642 = gallons Speed feet per minute × .0051 = meters per second meters per second × 196.85 = feet per minute Density pounds per cubic foot × 16.0180 = kilograms per cubic meter × .0624 = kilograms per cubic meter pounds per cubic foot Force pounds per inch × .1786 = kilograms per centimeter kilograms per centimeter × 5.5997 = pounds per inch pounds per square inch × 6.8947 = kilopascals kilopascals × .1450 = pounds per square inch PIW rating × 1.7856 = EP rating EP rating × .5600 = PIW rating pounds × 4.352 = newtons newtons × .2205 = pounds pounds per inch × 1.7855 = newtons per centimeter newtons per centimeter × .5601 pounds per inch Power horsepower × .7457 = kilowatts kilowatts × 1.341 = horsepower Exchange Rates $PIW × 129.1671 × exchange rate = Foreign currency per square meter ÷ exchange foreign currency per square meter rate ÷ 129.1671 = $PIW