FREE Online Measurements Converters and Calculators
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Metric <-> Imperial <-> Metric

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Convert between U.S./Imperial and SI (Metric) units
Type your value in a box, click the button next to that box, and all unit conversions in the same category will be calculated.

SI (Metric)
Square kilometer (km2)
Hectare (ha)
Are (a)
Square meter (m2)
Square decimeter (dm2)
Square centimeter (cm2)
Square millimeter (mm2)
U.S.and Imperial Area Measure
Square Mile (sq mi)
Square rod (sq rd)
Square yard (sq yd)
Square foot (sq ft)
Square inch (sq in)