Acre to Square Meter Calculator
1 Acre = 4,046.8564224 Square Meters (exact). Convert farmland, plots and property areas to metric.
Acre to Square Meter Formula
To convert acres to square meters, multiply the number of acres by 4,046.8564224. This value is exact: 1 international acre = 43,560 square feet and 1 foot = 0.3048 meter exactly.
Example: 3 Acres × 4,046.8564224 = 12,140.5693 Square Meters. For 0.5 Acre: 0.5 × 4,046.8564 = 2,023.4282 Square Meters.
Acre to Square Meter – Quick Reference Table
Common conversion values for quick reference
| Acre | Square Meters | Hectare | Square Feet |
|---|---|---|---|
| 0.1 Acre | 404.69 | 0.04047 | 4,356 |
| 0.25 Acre | 1,011.71 | 0.10117 | 10,890 |
| 0.5 Acre | 2,023.43 | 0.20234 | 21,780 |
| 1 Acre | 4,046.86 | 0.40469 | 43,560 |
| 2 Acre | 8,093.71 | 0.80937 | 87,120 |
| 3 Acre | 12,140.57 | 1.21406 | 130,680 |
| 5 Acre | 20,234.28 | 2.02343 | 217,800 |
| 10 Acre | 40,468.56 | 4.04686 | 435,600 |
| 25 Acre | 101,171.41 | 10.11714 | 1,089,000 |
| 50 Acre | 202,342.82 | 20.23428 | 2,178,000 |
| 100 Acre | 404,685.64 | 40.46856 | 4,356,000 |
Acre to Square Meter – Conversion Guide
Acres are common in property listings and farm sales in the US, UK, Canada and Australia, while engineers, planners and most of the world work in square meters. The conversion is exact, so you can rely on the result to any number of digits.
Formula
- Square Meters = Acres × 4,046.8564224
- Acres = Square Meters ÷ 4,046.8564224 (use the Square Meter to Acre Calculator)
- 1 Acre = 0.40468564 Hectare
Worked examples
- 0.25 Acre = 1,011.71 m²
- 1 Acre = 4,046.86 m²
- 2 Acres = 8,093.71 m²
- 10 Acres = 40,468.56 m²
- 100 Acres = 404,685.64 m² = 40.47 hectares
Where the number comes from
The international yard and pound agreement of 1959 fixed 1 yard = 0.9144 meter, so 1 foot = 0.3048 meter. One acre is 43,560 square feet, giving 43,560 × 0.3048² = 4,046.8564224 square meters.