Metric Information

Metric Information

The three basic metric units are the meter (length), the gram (weight), and the liter (volume). The key to metric prefixes are: 1000 = kilo.; 100 = hecto.; 10 = deca.; 0.1 = deci.; 0.01 = centi.; 0.001 milli.

**Length**
1 kilometer	=0.62137 mile
1 meter	=3.2808 feet
1 centimeter	=0.3937 inch
1 mile	=1.6093 kilometer
1 foot	=0.3048 meter
1 inch	=2.54 centimeters

**Weight**
1 kilogram	=2.2046 lbs.
1 gram	=0.0353 ounce
1 short ton	=907.1847 kilos
1 pound	=0.4536 kilos
1 ounce	=28.3495 grams

**Volume**
1 hectoliter	= 100 liter	= 0.1 cubic meter	= 26.4172 gallons
1 liter	= 100 centiliter	= 1 cubic decimeter	= 1.0567 quarts
1 gallon (U.S.)	= 3.7853 liters
1 cubic inch	= 16.3871 cubic cm

**Area**
1 square kilometer	= 1 million sq. meters	= 0.3861 square miles
1 hectare	= 10,000 square meters	= 2.471 acres
1 square meter	= 10.7639 square feet	= 1550.003 square inches
1 square mile	= 640 acres	= 258.9988 hectares
1 square foot	= 144 square inches	= 929.0304 sq. centimeters

	Symbol	If You Know	Multiply By	To Find	Symbol
Length	mm cm m m km in ft yd mi	millimeters centimeters meters meters kilometers inches feet yard miles	0.03937 0.3937 3.3 1.1 0.6 2.54 30.48 0.9 1.6	inches inches feet yards miles centimeters centimeters meters kilometers	in in ft yd mi cm cm m km
Area	cm² m² km² ha² in² ft² yd² mi²	square centimeters square meters square kilometers hectares (10,000 m2) square inches square feet square yard square miles	0.16 1.2 0.4 2.5 6.5 0.09 0.8 2.6	square inches square yards square miles acres sq. centimeters square meters square meters sq. kilomters	in² yd² mi² cm² m² m² km²
Weight	g kg t oz lb	grams kilograms tonnes (1,000 kq) ounces pounds	0.035 2.2046 1.1 28.3495 0.45	ounce pounds short tons grams kilograms	oz lb g kg
Volume	ml l l l m³ m³ tsp tbsp fl oz c pt qt gal ft³ yd³	milliliters liters liters liters cubic meters cubic meters teaspoons tablespoons fluid ounces cups pints quarts gallons cubic feet cubic yards	0.03 2.1 1.06 0.26 35.314 1.3 5 15 30 0.24 0.47 0.95 3.8 0.03 0.76	fluid ounces pints quarts gallons cubic feet cubic yards millimeters millimeters millimeters liters liters liters liters cubic meters cubic meters	fl oz pt qt gal ft³ yd³ ml ml ml l l l l m³ m³

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