acre → square metre
1 acre = 4,046.86 square metres; 1 square metre = 0.0002 acres.
acre to square metre
1 ac = 4,046.86 m²
acre → square metre conversion table
| acre (ac) | square metre (m²) |
|---|---|
| 1 | 4,046.86 |
| 2 | 8,093.71 |
| 3 | 12,140.57 |
| 5 | 20,234.28 |
| 8 | 32,374.85 |
| 10 | 40,468.56 |
| 15 | 60,702.85 |
| 20 | 80,937.13 |
| 25 | 101,171.41 |
| 30 | 121,405.69 |
| 40 | 161,874.26 |
| 50 | 202,342.82 |
| 60 | 242,811.39 |
| 80 | 323,748.51 |
| 100 | 404,685.64 |
Formula and notes
1 acre = 4,046.86 square metres; conversely, 1 square metre = 0.0002 acres.
The converter uses the base unit method: acre has a factor of 4046.8564224 and square metre has a factor of 1, so the target value = source value × (4046.8564224 ÷ 1).
Length and area converters use exact international definitions, so results are consistent across calculators.
Other area conversions
acre to square metre FAQ
How do I convert square metre to acre?
Multiply the value in square metre by 0.0002 to get acre.
Is the conversion exact?
Yes. Every unit is defined by a fixed factor relative to the base unit, so the result is exact apart from rounding.