Value, From, To
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How this calculator works
Area units are the squares of length units, so the conversion factors are the squares of the length factors. An acre is 43,560 square feet and a hectare is 10,000 square meters, or a square 100 meters on each side.
Formula
- 1 ft² = 0.09290304 m² (exact)
- 1 acre = 43,560 ft² = 4,046.8564224 m²
- 1 hectare = 10,000 m² = 2.471054 acres
- 1 mi² = 640 acres
Worked example
1 ac to m2
- Value
- 1
- From
- Acre (ac)
- To
- Square meter (m²)
Result4,046.8564 m²
1 ac = 4,046.8564 m². 1 ac = 4,046.8564 m².
Frequently asked questions
How many square feet are in an acre?
Exactly 43,560 square feet. An acre is roughly 90% of an American football field without the end zones.
How many acres are in a hectare?
1 hectare is about 2.471 acres, and 1 acre is about 0.4047 hectares.
How do I convert square meters to square feet?
Multiply by 10.7639. A 100 m² apartment is about 1,076 ft².
Sources
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Results are estimates based on the values you enter and the published method shown above. They do not replace professional medical, financial or legal advice. Method reviewed October 7, 2026. About this site