Skip to content
Unitglide

Reference sheet

Area conversion chart

Square feet, square metres, acres, hectares. Factors are given to 7 significant figures; open the converter for full precision and the worked solution.

PDF
Conversion factors to square metres (m²)
UnitIn m²1 m² in unit
square metre (m²)1 m²1 m²
square kilometre (km²)1,000,000 m²0.000001 km²
square centimetre (cm²)0.0001 m²10,000 cm²
square millimetre (mm²)0.000001 m²1,000,000 mm²
hectare (ha)10,000 m²0.0001 ha
square foot (ft²)0.09290304 m²10.76391 ft²
square inch (in²)0.00064516 m²1,550.003 in²
square yard (yd²)0.8361274 m²1.19599 yd²
acre (ac)4,046.856 m²0.0002471054 ac
square mile (mi²)2,589,988 m² mi²
ft² → m²
ft²m²
0.1 ft²0.009290304 m²
0.5 ft²0.04645152 m²
1 ft²0.09290304 m²
2 ft²0.1858061 m²
5 ft²0.4645152 m²
10 ft²0.9290304 m²
20 ft²1.858061 m²
25 ft²2.322576 m²
50 ft²4.645152 m²
100 ft²9.290304 m²
250 ft²23.22576 m²
500 ft²46.45152 m²
1,000 ft²92.90304 m²
m² → ft²
m²ft²
0.1 m²1.076391 ft²
0.5 m²5.381955 ft²
1 m²10.76391 ft²
2 m²21.52782 ft²
5 m²53.81955 ft²
10 m²107.6391 ft²
20 m²215.2782 ft²
25 m²269.0978 ft²
50 m²538.1955 ft²
100 m²1,076.391 ft²
250 m²2,690.978 ft²
500 m²5,381.955 ft²
1,000 m²10,763.91 ft²

Formula: m² = ft² × 0.09290304

Need another value? Use the ft² to m² converter or the area converter.

Unitglide · unitglide.app/reference/area · Factors from NIST SP 811, NIST Handbook 44 and the BIPM SI Brochure (9th ed.). Values rounded to 7 significant figures unless exact.