Convert square meters (m²), hectares (ha), acres, square kilometers (km²), and other metric and imperial units of area.
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Area is a two-dimensional quantity representing the size of a surface or figure. The SI base unit of area is the square meter (m²) — the area of a square with sides of one meter.
Major Area Units
- m² — the SI base unit. Used for residential and commercial spaces.
- km² — for large territories: countries, regions, and bodies of water.
- Hectare (ha) — 10,000 m². The standard for land plots and agricultural fields in most countries.
- Are — 100 m². Common in gardening and small land plots.
- Acre — 4,046.86 m². The primary unit for land area in the US and the UK.
- Square foot (ft²) — 0.0929 m². The standard for floor space in the US.
Common Area Conversions
- 1 ha = 10,000 m² = 2.471 acres
- 1 acre = 4,046.86 m² = 0.405 ha
- 1 km² = 100 ha = 247.1 acres
- 1 ft² = 0.0929 m²