Acres to Square meters Converter
Convert acres to square meters instantly. 1 ac = 4,046.86 m². Free two-way converter with the formula and a quick reference table.
How to convert acres to square meters
square meters = acres × 4,046.86
One acre equals 4,046.86 square meters, so to convert acres to square meters you multiply by 4,046.86. Going the other way, one square meter is 2.4711e-4 acres. Both units measure area, so the conversion is an exact ratio that never changes.
10 acres = 40,468.56 square meters. Multiply your acre figure by the factor above (or just type it into the box) to convert any amount.
Need the other direction? square meters to acres
acres to square meters table
| acres (ac) | square meters (m²) |
|---|---|
| 1 | 4,046.86 |
| 2 | 8,093.71 |
| 3 | 12,140.57 |
| 5 | 20,234.28 |
| 10 | 40,468.56 |
| 20 | 80,937.13 |
| 25 | 101,171.41 |
| 50 | 202,342.82 |
| 100 | 404,685.64 |
| 250 | 1,011,714.11 |
| 500 | 2,023,428.21 |
| 1,000 | 4,046,856.42 |
Frequently asked questions
How many square meters are in a acre?
One acre equals 4,046.86 square meters. So to convert, multiply the number of acres by 4,046.86.
How do I convert acres to square meters?
Multiply by 4,046.86, or simply enter the value in the converter above — it does the math instantly and works both ways.
Is this conversion exact?
Yes — both units measure the same quantity, so the ratio is fixed and this uses the standard internationally-agreed factor.