Direct conversion
Convert acre [ac] to square meter [m²] instantly with formula, examples, chart, and FAQs.
1 acre [ac] = 4046.856422 square meter [m²]
1 acre [ac] = 4046.856422 square meter [m²]
Example: 1 acre [ac] equals 4046.856422 square meter [m²].
Area conversions are derived from squared length relationships, using square metre as the reference unit and fixed factors such as 1 square foot = 0.09290304 square metre.
Displayed results are rounded for readability. The calculator keeps enough precision for everyday use and switches to scientific notation for very large or very small values. Last reviewed: 2026-05-21.
The acre is a land area unit equal to 43,560 square feet or about 4046.856 square meters.
HistoryThe acre has agricultural origins and became a standard land measure in customary systems.
Current useAcres are used for land parcels, farms, real estate, parks, and property planning.
The square meter is the SI derived unit of area and represents a square one meter on each side.
HistorySquare meters became the standard area unit through metric and SI measurement.
Current useSquare meters are used for floor area, land measurement, construction, architecture, and real estate listings.
| acre [ac] | square meter [m²] |
|---|---|
| 1 | 4046.856422 |
| 2 | 8093.712845 |
| 5 | 20234.282112 |
| 10 | 40468.564224 |
| 20 | 80937.128448 |
| 25 | 101171.41056 |
| 50 | 202342.82112 |
| 100 | 404685.64224 |
| 1000 | 4046856.4224 |
Use this formula: 1 acre [ac] = 4046.856422 square meter [m²] Enter your value in the calculator and the result updates instantly.
1 acre [ac] equals 4046.856422 square meter [m²].
Yes. Use the swap button in the calculator or open the related reverse conversion link when it is listed on this page.