square feet (sq ft)

square feet as a conversion hub: 5 direct pairs, all with the exact factor on the page.

Definition1 sq ft = 0.09290304 m² exactly

CategoryArea Converter

Pairs from here5

Area Converter

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square feet converted to every other unit

sq ft	m²	km²	sq yd	acre	ha
1 sq ft	0.09290304	0.0000000929	0.11111111	0.0000229568	0.0000092903
2 sq ft	0.18580608	0.0000001858	0.22222222	0.0000459137	0.0000185806
5 sq ft	0.4645152	0.0000004645	0.55555556	0.0001147842	0.0000464515
10 sq ft	0.9290304	0.000000929	1.111111	0.0002295684	0.000092903
20 sq ft	1.858061	0.0000018581	2.222222	0.0004591368	0.0001858061
50 sq ft	4.645152	0.0000046452	5.555556	0.0011478421	0.0004645152
100 sq ft	9.290304	0.0000092903	11.111111	0.0022956841	0.0009290304

All conversions starting from sq ft

sq ft to m² sq ft to km² sq ft to sq yd sq ft to acre sq ft to ha

Questions

How do I convert from square feet?

Pick the target unit from the table on this page, or open the dedicated pair page — each one carries a converter, a table of common values and the exact factor.

Is square foot exact or approximate?

The factor shown (1 sq ft = 0.09290304 m²) is fixed by definition, so conversions are exact rather than measured.

What is square foot used for?

square feet as used in practical measurements