square metre → acre
1 square metre = 0.0002 acres; 1 acre = 4,046.86 square metres.
square metre to acre
1 m² = 0.0002 ac
square metre → acre conversion table
| square metre (m²) | acre (ac) |
|---|---|
| 1 | 0.0002 |
| 2 | 0.0005 |
| 3 | 0.0007 |
| 5 | 0.0012 |
| 8 | 0.002 |
| 10 | 0.0025 |
| 15 | 0.0037 |
| 20 | 0.0049 |
| 25 | 0.0062 |
| 30 | 0.0074 |
| 40 | 0.0099 |
| 50 | 0.0124 |
| 60 | 0.0148 |
| 80 | 0.0198 |
| 100 | 0.0247 |
Formula and notes
1 square metre = 0.0002 acres; conversely, 1 acre = 4,046.86 square metres.
The converter uses the base unit method: square metre has a factor of 1 and acre has a factor of 4046.8564224, so the target value = source value × (1 ÷ 4046.8564224).
Length and area converters use exact international definitions, so results are consistent across calculators.
Other area conversions
square metre to acre FAQ
How do I convert acre to square metre?
Multiply the value in acre by 4,046.86 to get square metre.
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.