Acres to Square Meters Converter
1 acre ≈ 4,046.85642 square meters
1 acre equals 4,046.86 square meters
How to convert acres to square meters
Area factors are squared length factors: 1 ft² = (0.3048 m)². The acre here uses international feet; historic US survey acres differ slightly.
m² = ac × 4046.856422One acre is 4046.856422 square meters, so a single multiplication converts any value.
40,468.6 m² ≈ 10 × 4046.856422Acres to square meters conversion table
Common values in acres, converted to square meters.
| Acres (ac) | Square meters (m²) |
|---|---|
| 1 | 4,046.8564 |
| 2 | 8,093.7128 |
| 3 | 12,140.569 |
| 4 | 16,187.426 |
| 5 | 20,234.282 |
| 10 | 40,468.564 |
| 20 | 80,937.128 |
| 25 | 101,171.41 |
| 50 | 202,342.82 |
| 100 | 404,685.64 |
| 250 | 1,011,714.1 |
| 500 | 2,023,428.2 |
| 1,000 | 4,046,856.4 |
About these units
acreac
Exactly 4,840 square yards, or 43,560 square feet. The customary land unit.
Reference: Derived from the international yard (1959).
square meterm²
The SI derived unit of area: the area of a square one metre on each side.
Sources and precision
Table results are rounded to 8 significant digits; formula constants may be rounded to 10. Worked example answers use 6 significant digits. The converter starts at 6 significant digits and lets you change display precision. Calculations use the stored factors without intermediate rounding. Exact unit definitions do not make an input measurement more precise; conventional and measured factors follow the assumptions stated here.