UnitConAcres to Square Meters Converter
Convert acres to square meters for land surveys, planning applications, and international property comparison. Acres are common in US and UK land measurement, while square meters are the metric standard worldwide.
Formula
Multiply acres by 4046.86 to get square meters. To reverse, divide square meters by 4046.86 to get acres.
Quick reference
| Acre (ac) | Square Meter (m²) |
|---|---|
| 0.25 | 1,011.714 |
| 0.5 | 2,023.428 |
| 1 | 4,046.856 |
| 2 | 8,093.713 |
| 5 | 20,234.28 |
| 10 | 40,468.56 |
| 20 | 80,937.13 |
| 50 | 202,342.8 |
| 100 | 404,685.6 |
| 200 | 809,371.3 |
About these units
Acre
The acre was originally the amount of land a yoke of oxen could plow in one day. Standardized at 43,560 square feet (4046.86 m²), it remains the primary unit for land measurement in the US and is still used in the UK.
Square Meter
The square meter is the SI base unit of area. For large land areas, the hectare (10,000 m²) is more commonly used, but square meters are preferred for planning documents and smaller parcels.
Frequently asked questions
One acre equals approximately 4046.86 m².
5 × 4046.86 ≈ 20,234 m².
An American football field (including end zones) is about 1.32 acres. One acre is roughly 90% the size of a standard football field.