Area converter

Square feet, square metres, acres, hectares, square yards, square miles and square kilometres, converted both ways.

Fromsquare foot (sq ft)

Tosquare metre (m²)

0.09290304

DecimalsAuto (up to 10 significant digits)

Formula: m² = sq ft × 0.09290304

1 sq ft = 0.09290304 m²

Common values: square foot to square metre

sq ft	m²
1 sq ft	0.09290304 m²
10 sq ft	0.9290304 m²
50 sq ft	4.645152 m²
100 sq ft	9.290304 m²
250 sq ft	23.22576 m²
500 sq ft	46.45152 m²
1,000 sq ft	92.90304 m²
1,500 sq ft	139.35456 m²
2,000 sq ft	185.80608 m²
5,000 sq ft	464.5152 m²
10,000 sq ft	929.0304 m²

How it works

Property is advertised in square feet in the US, the UK and across the Gulf, while European and most Asian listings use square metres. Farmland is measured in acres or hectares. This converter moves between all of them, so you can compare a 1,200 sq ft apartment with a 110 m² one on equal terms.

Area factors are the squares of the exact length factors: 1 sq ft = 0.3048² m² = 0.09290304 m² exactly, and 1 sq in = 6.4516 cm². An acre is 43,560 sq ft, which makes it exactly 4046.8564224 m²; a hectare is 10,000 m², about 2.4711 acres. A square mile is 640 acres (2.59 km²).

Remember that areas scale with the square of length: doubling a room's width and length quadruples its floor area, and a 10% error in a measured length becomes about 21% in area.

Common area conversions

Area factors are the square of the length factors: 1 ft = 0.3048 m, so 1 sq ft = 0.3048² m². Property listings mix square feet and square metres, and land is sold in acres or hectares.

1 sq ft = 0.09290304 m² (m² = sq ft × 0.09290304)
1 m² = 10.76391042 sq ft (sq ft = m² × 10.7639104167)
1 ac = 0.4046856422 ha (ha = ac × 0.40468564224)
1 ha = 2.471053815 ac (ac = ha × 2.47105381467)
1 sq mi = 2.58998811 km² (km² = sq mi × 2.58998811034)
1 sq yd = 0.83612736 m² (m² = sq yd × 0.83612736)

Every area unit in this converter

The size of each unit in square metres (m²), the base unit the converter uses internally. Values are exact where the unit has an exact definition.

Unit	In m²	System
square centimetre (cm²)	0.0001 m²	Metric
square metre (m²)	1 m²	Metric
hectare (ha)	10,000 m²	Metric
square kilometre (km²)	1,000,000 m²	Metric
square inch (sq in)	0.00064516 m²	Imperial / US
square foot (sq ft)	0.09290304 m²	Imperial / US
square yard (sq yd)	0.83612736 m²	Imperial / US
acre (ac)	4,046.856422 m²	Imperial / US
square mile (sq mi)	2,589,988.11 m²	Imperial / US

How to use it

Select the area unit you have and the unit you want.
Type the area in either box.
Use the table for a quick list of common sizes, or copy the result line.

Frequently asked questions

How many square feet are in a square metre?

1 m² = 10.7639 sq ft. The exact relationship is 1 sq ft = 0.09290304 m², so divide square feet by 10.7639 (or multiply by 0.0929) to get square metres.

How big is an acre?

An acre is 43,560 sq ft or exactly 4046.8564224 m², roughly a square of 63.6 m × 63.6 m, or a little more than half of a 105 m × 68 m football pitch.

Acre or hectare: which is larger?

The hectare. One hectare (10,000 m², a 100 m × 100 m square) equals about 2.471 acres.

Why do listed apartment sizes not match what I measured?

Listings may quote gross area (including walls, balconies or a share of common areas) rather than net usable floor area. The unit conversion is exact; the definition of what was measured varies by market and developer.