Metric / Imperial Converter
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Length
Type in what you know	Conversion Factor	Result
inches	x 25.4 =	millimeters
feet	x 30.48 =	centimeters
yards	x 0.9144 =	meters
miles	x 1.609 =	kilometers
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millimeters	x 0.03937 =	inches
centimeters	x 0.3937 =	inches
meters	x 1.0936 =	yards
kilometers	x 0.6215 =	miles
1 meter = 1000 millimeters  1 meter = 100 centimeters  1 meter = 10 decimeters  1 decameter = 10 meters  1 hectometer = 100 meters  1 kilometer = 1000 meters		12 inches = 1 foot  3 feet = 1 yard  16.5 feet (5.5 yards) = 1 rod  660 feet = 1 furlong  320 rods (5280 feet) = 1 mile 1 nautical mile = 6076 feet  3 nautical miles = 1 league
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Area
Type in what you know	Conversion Factor	Result
square inches	x 6.452 =	sq cm
square feet	x 0.09 =	sq meters
square yards	x 0.8361 =	sq meters
square miles	x 2.590 =	sq kilometers
square acres	x 0.4 =	sq hectares
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square cm	x 0.155 =	sq inches
square meters	x 1.196 =	sq yards
square km	x 0.3861 =	sq miles
square hectares	x 2.5 =	sq acres
1 square  meter = 1 000 000 square millimeters  1 hectar = 10 000 square meters  1 square kilometer = 1 000 000 square meters		1 square foot = 144 sq. in. 1 square yard = 9 sq. ft. 30.25 square yards = 1 square rod 1 acre = 4840 sq.yd. 160 square rods = 1 acre  1 acre = 208.71 feet on each side  1 square mile = 640 acres 1 township = 36 square miles
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Mass and Weight
Type in what you know	Conversion Factor	Result
fluid ounces	x 30 =	grams
pounds	x 0.4536 =	kilograms
short tons	x 0.9 =	metric tons
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grams	x 0.0333 =	fluid ounces
kilograms	x 2.2046 =	pounds
metric tons	x 1.1 =	short tons
1 gram = 1000 milligrams  1 gram = 100 centigrams  1 gram = 10 decigrams  1 decagram = 10 grams  1 hectogram = 100 grams  1 kilogram = 1000 grams		avoirdupois weight: 1 dram 0 437.5 grains 1 ounce = 16 drams 1 pound = 16 ounces = 7000 grains 1 quarter = 2 stones 1 long ton = 20 hundredweight 1 short ton = 2000 pounds
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Liquid Volume
Type in what you know	Conversion Factor	Result
ounces	x 28.4 =	millilitres
pints	x 0.568 =	litres
quarts	x 1.136 =	litres
gallons (UK)	x 4.54 =	litres
gallons (US)	x 3.785 =	litres
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millilitres	x 0.035 =	ounces
litres	x 2.1 =	pints
litres	x 0.880 =	quarts
litres	x 0.22 =	gallons (UK)
litres	x 0.2642 =	gallons (US)
1 liter = 1000 milliliters  1 liter = 100 centiliters 1 liter = 10 deciliters  1 decaliter = 10 liters  1 hectoliter = 100 liters  1 kiloliter = 1000 liters		5 fluid oz. = 1 gill 4 gills = 1 pint  2 pints = 1 quart  4 quarts = 1 gallon 2 gallons = 1 peck 4 pecks = 1 bushel 31.5 gallons = 1 barrel  2 barrels = 1 hogshead 8 bushel = 1 quarter
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Temperature
Type in what you know	Conversion Factor	Result
Fahrenheit	- 32 x 5/9 =	Celsius
Celsius	x 9/5 + 32=	Fahrenheit
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