Convert Acre to Square Meter
Use this free converter to change acres (ac) into square meters (m²). Acre and square meter both measure area. As a quick reference, 1 ac equals 4046.8564 m², and 1 m² equals 0.00024710538 ac.
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Square Meter (m²)
4046.8564
1 ac = 4046.8564 m²
Area conversion table
| Acre | Square Meter |
|---|---|
| 0.01 | 40.468564 |
| 0.1 | 404.68564 |
| 0.5 | 2023.4282 |
| 1 | 4046.8564 |
| 2 | 8093.7128 |
| 3 | 12140.569 |
| 5 | 20234.282 |
| 10 | 40468.564 |
| 20 | 80937.128 |
| 25 | 101171.41 |
| 50 | 202342.82 |
| 100 | 404685.64 |
| 1,000 | 4046856.4 |
How to convert Acre to Square Meter
Multiply the acre value by 4046.8564 to get square meters.
- Enter the number of acres you want to convert.
- The converter instantly shows the equivalent value in square meters.
- Worked example: 15 ac × 4046.8564 = 60702.846 m².
- Use the swap button to reverse the conversion (square meter to acre).
About these units
Acre (ac)
- Definition
- An acre (ac) is a unit of land area equal to 43,560 square feet, or about 4,047 square meters.
- History
- Originally the area a yoke of oxen could plough in a day, it was standardised in medieval England.
- Current use
- Acres measure farmland and real-estate plots in the US and UK.
Square Meter (m²)
- Definition
- A square meter (m²) is the SI unit of area — the area of a square one meter on each side.
- History
- It is the derived SI area unit, defined directly from the meter.
- Current use
- Square meters express floor area, land, and material coverage across the metric world.
Frequently asked questions
How many square meters are in a acre?
There are 4046.8564 m² in 1 ac. To convert, multiply the number of acres by 4046.8564.
How do I convert acres to square meters?
Multiply the acre value by 4046.8564 to get square meters. For example, 10 ac = 40468.564 m².
Is this acre-to-square meter converter free?
Yes. This converter is completely free, runs entirely in your browser, and requires no sign-up. Your inputs never leave your device.
Convert Acre to other area units
| Unit | 1 Acre equals |
|---|---|
| Square Meter (m²) | 4046.8564 m² |
| Square Kilometer (km²) | 0.0040468564 km² |
| Square Centimeter (cm²) | 40468564 cm² |
| Square Mile (mi²) | 0.0015625 mi² |
| Square Yard (yd²) | 4840 yd² |
| Square Foot (ft²) | 43560 ft² |
| Square Inch (in²) | 6272640 in² |
| Hectare (ha) | 0.40468564 ha |