Area

The coherent SI unit of area is the square metre, m2.

Factors in boldface are exact.

Convert From To Multiply Std
square millimetre mm2 m2 1.0 x 10-6 2
square centimetre cm2 m2 0.0001 2
square kilometre km2 m2 1.0 x 106 2
square inch in2 m2 6.4516 x 10-4 1
square foot ft2 m2 9.290304 x 10-2 1
square yard yd2 m2 0.83612736 1
square mile mi2 m2 2.589988 x 106 1

1: BS 350:2004 Table 4

2: BS 350:2004 Section 4

 

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