Convert acres to square meters instantly. Enter a value below, or use the formula and reference table further down the page.
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How to convert acres to square meters
Multiply the value by 4046.8564224.
m² = ac × 4046.8564224Example: 10 ac = 40468.5642 m².
Acres to Square Meters conversion table
| Acres (ac) | Square Meters (m²) |
|---|---|
| 1 ac | 4046.8564 m² |
| 2 ac | 8093.7128 m² |
| 3 ac | 12140.5693 m² |
| 4 ac | 16187.4257 m² |
| 5 ac | 20234.2821 m² |
| 10 ac | 40468.5642 m² |
| 15 ac | 60702.8463 m² |
| 20 ac | 80937.1284 m² |
| 25 ac | 101171.4106 m² |
| 50 ac | 202342.8211 m² |
| 100 ac | 404685.6422 m² |
Frequently asked questions
How many square meters is 1 acre?
1 acre equals 4046.8564 square meters.
What is the formula to convert ac to m²?
To convert ac to m², multiply the value by 4046.8564224. The full formula is: m² = ac × 4046.8564224.
How do I convert square meters back to acres?
Use the same calculator above and type your value into the square meters field instead — it converts in both directions. Or use the reverse formula: ac = m² ÷ 4046.8564224.
Is the ac to m² conversion exact?
The conversion factor used here (4046.8564224) is the standard internationally defined value. Results on this page are rounded to four decimal places for readability.