Convert Square Meters to Acres (m2 to ac)
1 square meter (m²) = 0.0002471053815 acres (ac). 1 ac = 4046.856422 m². Example: 15 m² = 15 × 0.0002471053815 = 0.003706580722 ac.
Also searched as square meters to ac, square meters in ac, square meters into acres, m2 to ac, m2 in acres, m2 into acre, square meter to acre, m2 to acres converter, square metres to acres and how many acres in a square meter.
1 m² = 0.0002471053815 ac
Type in either box. Scientific notation works: 1.5e-3.
Converting a list? Use the bulk square meter to acre converter to paste a column from Excel.
How to Convert Square Meter to Acre
- 1 m² = 0.0002471053815 ac
- 1 ac = 4046.856422 m²
- Example: convert 15 m² to ac: 15 m² = 15 × 0.0002471053815 ac = 0.003706580722 ac
Formula
ac = m² × 0.0002471053814672
or ac = m² ÷ 4046.8564224
Derivation from SI units:
- 1 m² = 1 m × 1 m
- 1 acre = 43 560 ft² = 4 046.856 422 4 m² (international foot; the US survey foot was retired at the end of 2022)
Both units are defined exactly, so the factor is exact. Square Meter definition: square meter; Acre definition: acre.
Worked examples
- A reading of 0.1 m² converts to 0.00002471053815 ac.
0.1 m² × 0.0002471053815 = 0.00002471053815 ac - A value of 20 m² is 0.004942107629 ac.
20 m² × 0.0002471053815 = 0.004942107629 ac
Square Meter to Acre conversion table
| Square Meters (m²) | Acres (ac) |
|---|---|
| 0.0001 m² | 2.471053815 × 10⁻⁸ ac |
| 0.0005 m² | 1.235526907 × 10⁻⁷ ac |
| 0.001 m² | 2.471053815 × 10⁻⁷ ac |
| 0.002 m² | 4.942107629 × 10⁻⁷ ac |
| 0.0025 m² | 6.177634537 × 10⁻⁷ ac |
| 0.01 m² | 0.000002471053815 ac |
| 0.1 m² | 0.00002471053815 ac |
| 0.35 m² | 0.00008648688351 ac |
| 0.5 m² | 0.0001235526907 ac |
| 1 m² | 0.0002471053815 ac |
| 2 m² | 0.0004942107629 ac |
| 5 m² | 0.001235526907 ac |
| 10 m² | 0.002471053815 ac |
| 20 m² | 0.004942107629 ac |
| 25 m² | 0.006177634537 ac |
| 50 m² | 0.01235526907 ac |
| 100 m² | 0.02471053815 ac |
| 500 m² | 0.1235526907 ac |
| 1000 m² | 0.2471053815 ac |
| 10000 m² | 2.471053815 ac |
Where it's used
Square Meters are used for floor and room areas, while acres appear in US, UK and Indian land and property listings. Both measure area, so the conversion is a fixed factor.
Square Meter to other area units
| Conversion | 1 m² equals |
|---|---|
| square meter to acre | 0.0002471053815 ac |
| square meter to square centimeter | 10000 cm² |
| square meter to square foot | 10.76391042 ft² |
| square meter to square inch | 1550.0031 in² |
| square meter to hectare | 0.0001 ha |
| square meter to square millimeter | 1000000 mm² |
| square meter to square kilometre | 0.000001 km² |
| square meter to square yard | 1.195990046 yd² |
Show 1 more units
| square meter to square mile | 3.861021585 × 10⁻⁷ mi² |
|---|
Frequently asked questions
How many acres are in 1 square meter?
1 m² = 0.0002471053815 ac.
How do I convert square meters to acres?
Multiply the value in m² by 0.0002471053815, or divide it by 4046.856422. For example, 15 m² × 0.0002471053815 = 0.003706580722 ac.
Is the m² to ac conversion exact?
Yes. Both units are defined exactly, so the ratio is exact; its decimal form does not terminate and is shown here to 10 significant figures (more with the precision selector).
Sources
- The International System of Units (SI), 9th edition (SI Brochure), Bureau International des Poids et Mesures , Table 2, coherent derived units.
- NIST Handbook 44, Appendix C: General Tables of Units of Measurement, National Institute of Standards and Technology , Appendix C, units of area.
Last reviewed: . Factors are stored exactly and computed with 50-digit decimal arithmetic. See how we verify conversion factors.
Cite this page
APA
Scientific Converters. (2026, October 15). Convert Square Meters to Acres (m2 to ac). Retrieved October 25, 2026, from https://scientificconverters.com/area/square-meters-to-acres/
IEEE
Scientific Converters, "Convert Square Meters to Acres (m2 to ac)," scientificconverters.com. Accessed: Oct. 25, 2026. [Online]. Available: https://scientificconverters.com/area/square-meters-to-acres/