Convert Acres to Square Meters
ac to m² · area conversion
What are acres and square meters?
An acre is 43,560 square feet (about 4,047 m²), the traditional unit for land area. A square meter is the SI unit of area, a square one meter on each side. For scale: a tennis court is about 261 m² (2,808 ft²), and a soccer pitch is roughly 0.7 hectares.
How to convert acres to square meters
1 ac = 4,046.86 m². To convert, multiply the number of acres by 4,046.86. For example, 5 ac = 20,234.3 m², and 20 ac = 80,937.1 m². To go the other way, multiply square meters by 0.000247105 (since 1 m² = 0.000247105 ac).
Acres to Square Meters conversion table
| Acres (ac) | Square Meters (m²) |
|---|---|
| 1 | 4,046.86 |
| 5 | 20,234.3 |
| 10 | 40,468.6 |
| 25 | 101,171 |
| 50 | 202,343 |
| 100 | 404,686 |
| 1,000 | 4,046,860 |
FAQ
What is 1 ac in m²?
1 ac = 4,046.86 m². To convert any amount, multiply the number of acres by 4,046.86.
How do I convert square meters back to acres?
Go the other way: 1 m² = 0.000247105 ac, so multiply square meters by 0.000247105 to get acres.
Is a acre bigger than a square meter?
Yes — 1 ac is the larger unit, equal to 4,046.86 m².
Are these area conversions exact?
They use the standard internationally-defined conversion factors. Results are rounded to six significant figures for readability, which is accurate enough for everyday and most technical use.