How many square meters are in one acre?
One acre is 4,047 m².
Acres to Square Meters
Type a value to convert it from acres to square meters. One ac equals 4,047 m².
Result
Acres and square meters, side by side
One acre is 4,047 m². In the other direction, one square meter is 0.0002471 ac.
The factor is exact rather than rounded: imperial and US units have been defined from the metric ones since 1959, so the conversion introduces no error of its own. What you see below is arithmetic, not an approximation.
The acre is 43,560 square feet, about 4,047 square meters or 0.4 hectares. It is the unit for land in the United States and the United Kingdom, and an American football field without its end zones is a little over an acre.
The square meter is the area of a square one meter on each side. Apartments and houses are sold and rented by the square meter in most of the world, and the price per square meter is how neighborhoods get compared. A parking space is about 12 m².
| Acre | Square meter |
|---|---|
| 1 | 4,046.86 |
| 10 | 40,468.6 |
| 50 | 202,343 |
| 100 | 404,686 |
| 500 | 2,023,430 |
| 1,000 | 4,046,860 |
Frequently asked questions
How do I convert square meters back to acres?
One square meter is 0.0002471 ac. The tool above converts in both directions.
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