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Convert Imperial to Metric / Metric to Imperial

Use the formulas below to convert imperial area, distance, length, speed, temperature, volume, and weight measurements to metric measurements and to convert metric to imperial measurements.

Convert Imperial to Metric
Area: Inch, Foot, Acres

1 square inch = 6,452 square cm
1 square foot = 929.0304 square cm
1 square yard = 8361.2736 square cm
1 square yard = 9 square feet
1 acres = 0.404685642 hectares
1 square mile = 2,59 km

Distance: Miles
1 mile = 1.609344 kilometers
1 mile = 1760 yards

Length: Inch, Foot, Yard
1 inch = 2.54 centimeters
1 inch = 25,4 millimetres
1 foot = 0.3048 meters
1 foot = 30,48 centimetres
1 foot = 12 inches
1 yard = 0.9144 meters
1 yard = 91,44 cm
1 yard = 3 feet
1 yard = 0.000568181818 miles

Convert Imperial to Metric
Speed: Mile / Hour

1 mile per hour = 1.609344 kilometer per hour

Temperature: Fahrenheit
(Fahrenheit - 32) x 0.55 = Celsius

Volume: Cup, Pint, Quart, Gallon
1 pint = 2 cups
1 quart = 8 pints
1 US quart = 0.94635295 liters
1 gallon = 4 quarts
1 US gallon = 3.7854118 liters

Weight: Ounce, Pound, Ton
1 ounce = 28.3495231 grams
1 ounce = 16 drams
1 ounce = 0.0625 pounds
1 pound = 16 ounces
1 pound = 0.45359237 kilograms
1 grain = 64.79891 milligram
1 US ton = 907.18474 kilograms
Convert Metric to Imperial
Area: Centimeters, Hectares

1 sq. cm = 0.15500031 sq. in.
1 sq. cm = 0.00107639104 sq. ft
1 sq. cm = 0.000119599005 sq. yrds.
1 hectares = 2.47105381 acres



Distance: Kilometer
1 kilometer = 0.621371192 miles
1 kilometer = 1000 meters

Length: Centimeter, Meter
1 centimeter = 0.393700787 in.
1 centimeter = 0.01 meters
1 meter = 3.2808399 feet
1 meter = 1.0936133 yards
1 meter = 0.001 kilometers
1 meter = 100 centimeters




Convert Metric to Imperial
Speed: Kilometer / Hour

1 kilometer per hour = 0.621371192 miles per hour

Temperature: Celsius
(Celsius x 1.8) + 32 = Fahrenheit

Volume: Liter
1 liter = 1.0566882 US quarts
1 liter = 10 deciliters
1 liter = 100 centiliters
1 liter = 0.264172051 US gallons


Weight: Gram, Dram, Kilogram
1 gram = 0.0352739619 ounce
1 dram = 0.0625 ounce
1 gram = 0.564383391 drams
1 dram = 1.7718452 grams
1 kilogram = 2.20462262 pounds
1 gram = 1000 milligrams
1 kilogram = 0.00110231131 US tons