Acre (ac)
An acre is 43,560 square feet, or exactly 4,046.8564224 square meters — a traditional land measure.
Acres parcel farmland, suburban lots, and parks in the United States, UK, and several Commonwealth countries.
Convert acre to square meter instantly. Type in either field — results update live.
Selected ac values converted to m² using the exact factor from this tool.
| ac | m² |
|---|---|
| 0.01 | 40.468564224 |
| 0.1 | 404.68564224 |
| 1 | 4,046.8564224 |
| 2 | 8,093.7128448 |
| 3 | 12,140.5692672 |
| 5 | 20,234.282112 |
| 10 | 40,468.564224 |
| 20 | 80,937.128448 |
| 50 | 202,342.82112 |
| 100 | 404,685.64224 |
| 1,000 | 4,046,856.4224 |
Exact conversion factors in both directions, plus a worked example.
1 ac = 4046.8564224 m²
1 m² = 0.0002471054 ac
To convert acre to square meter, multiply by 4046.8564224.
To convert square meter to acre, multiply by 0.0002471054.
Example: convert 10 ac to m²
10 × 4046.8564224 = 40468.564224 m²
Short background on the units used in this conversion.
An acre is 43,560 square feet, or exactly 4,046.8564224 square meters — a traditional land measure.
Acres parcel farmland, suburban lots, and parks in the United States, UK, and several Commonwealth countries.
The square meter is the SI unit of area — the surface covered by a square one meter on each side.
Square meters size apartments, floor plans, and land parcels in most countries using the metric system.
m² = ac × 4,046.8564224ac = m² × 0.0002471054, using the same exact factors as this converter.Jump to any area conversion starting from acre — including the reverse direction and every other unit in our dataset.