Orders of magnitude (surface area)

m²	equal to...	Imperial units	orders of magnitude
10-28	1 barn	--
10-8	--	--	10-8 m2 _ _ 10-7 m2
10-6	1 square millimetre	--	1 mm2, 10 mm2
10-4	1 square centimetre	--	1 cm2, 10 cm2
10-2	100 square centimetres	--	100 cm2, 1000 cm2
1	10 000 square centimetres	10.76 ft²	1 m2, 10 m2
102	100 square metres	--	100 m2, 1000 m2
104	1 hectare	--	1 ha, 10 ha
106	1 square kilometre	247 acres	1 km2, 10 km2
108	100 square kilometres	--	100 km2, 1000 km2
1010	10 000 square kilometres	--	1010 m2 _ _ 1011 m2
1012	1 million square kilometres	--	1012 m2 _ _ 1013 m2
1014	100 million square kilometres	--	1014 m2 _ _ 1015 m2
1016	1010 square kilometres	--	1016 m2 _ _ 1017 m2
1018	1012 square kilometres	--	1018 m2 _ _ 1019 m2
1020	1014 square kilometres	--	1020 m2 _ _ 1021 m2
1022	1016 square kilometres	--	1022 m2 _ _ 1023 m2
1024	1018 square kilometres	--	1024 m2 _ _ 1025 m2
1026	1020 square kilometres	--	1026 m2 _ _ 1027 m2

The pages linked in the right-hand column contain lists of areas that are of the same order of magnitude (power of ten).

See also

• 10⁴¹ m²