Acres to Square Meters Converter
How to convert acres to square meters
square meters = acres × 4,046.85642
To convert acres to square meters, multiply the number of acres by 4,046.85642.
1 ac = 4,046.85642 m²
Examples
- 1 ac × 4,046.85642 = 4,046.85642 m²
- One square mile: 640 ac × 4,046.85642 = 2,589,988.11 m²
Good to know
One acre is about 4,047 square meters, a little over 40% of a hectare.
This is the international acre. The US survey acre, based on the survey foot that was retired at the end of 2022, is about 4,046.873 m², a difference of roughly 4 parts per million.
Acres to square meters conversion table
| Acres (ac) | Square meters (m²) |
|---|---|
| 0.25 ac | 1,011.71411 m² |
| 0.5 ac | 2,023.42821 m² |
| 0.75 ac | 3,035.14232 m² |
| 1 ac | 4,046.85642 m² |
| 2 ac | 8,093.71284 m² |
| 3 ac | 12,140.5693 m² |
| 4 ac | 16,187.4257 m² |
| 5 ac | 20,234.2821 m² |
| 10 ac | 40,468.5642 m² |
| 20 ac | 80,937.1284 m² |
| 40 ac | 161,874.257 m² |
| 50 ac | 202,342.821 m² |
| 100 ac | 404,685.642 m² |
| 160 ac | 647,497.028 m² |
| 500 ac | 2,023,428.21 m² |
| 640 ac | 2,589,988.11 m² |
| 1,000 ac | 4,046,856.42 m² |
Unit definitions
- Acre (ac)
- An acre is 43,560 square feet, exactly 4,046.8564224 square meters. It is the usual unit for land area in the United States and is still common in the United Kingdom.
- Square meter (m²)
- The square meter is the SI unit of area, the area of a square with 1-meter sides. It is used for floor area and land plots in most of the world.