Convert square meters to acres instantly. Enter a value below, or use the formula and reference table further down the page.
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How to convert square meters to acres
Multiply the value by 0.0002471053815.
ac = m² × 0.0002471053815Example: 10 m² = 0.0025 ac.
Square Meters to Acres conversion table
| Square Meters (m²) | Acres (ac) |
|---|---|
| 1 m² | 0.0002 ac |
| 2 m² | 0.0005 ac |
| 3 m² | 0.0007 ac |
| 4 m² | 0.001 ac |
| 5 m² | 0.0012 ac |
| 10 m² | 0.0025 ac |
| 15 m² | 0.0037 ac |
| 20 m² | 0.0049 ac |
| 25 m² | 0.0062 ac |
| 50 m² | 0.0124 ac |
| 100 m² | 0.0247 ac |
Frequently asked questions
How many acres is 1 square meter?
1 square meter equals 0.0002 acres.
What is the formula to convert m² to ac?
To convert m² to ac, multiply the value by 0.0002471053815. The full formula is: ac = m² × 0.0002471053815.
How do I convert acres back to square meters?
Use the same calculator above and type your value into the acres field instead — it converts in both directions. Or use the reverse formula: m² = ac ÷ 0.0002471053815.
Is the m² to ac conversion exact?
The conversion factor used here (0.0002471053815) is the standard internationally defined value. Results on this page are rounded to four decimal places for readability.