How to convert square meters to acres
ac = m² × 0.0002471053815Multiply the value in square meters by 0.0002471053815. To go the other way, multiply by 4,046.856422 (or divide by 0.0002471053815).
A square meter is smaller than an acre: it takes 4,046.856422 square meters to make one acre.
Worked examples
- 1 square meter1 m² × 0.0002471053815 = 0.0002471053815 ac
- 5 square meters5 m² × 0.0002471053815 = 0.001235526907 ac
- 10 square meters10 m² × 0.0002471053815 = 0.002471053815 ac
- 20 square meters20 m² × 0.0002471053815 = 0.004942107629 ac
- 100 square meters100 m² × 0.0002471053815 = 0.02471053815 ac
Square meters to acres conversion table
Values are calculated by the conversion engine and rounded to 8 significant figures.
| Square meters (m²) | Acres (ac) |
|---|---|
| 0.1 m² | 0.000024710538 ac |
| 0.25 m² | 0.000061776345 ac |
| 0.5 m² | 0.00012355269 ac |
| 1 m² | 0.00024710538 ac |
| 2 m² | 0.00049421076 ac |
| 3 m² | 0.00074131614 ac |
| 4 m² | 0.00098842153 ac |
| 5 m² | 0.0012355269 ac |
| 6 m² | 0.0014826323 ac |
| 7 m² | 0.0017297377 ac |
| 8 m² | 0.0019768431 ac |
| 9 m² | 0.0022239484 ac |
| 10 m² | 0.0024710538 ac |
| Square meters (m²) | Acres (ac) |
|---|---|
| 12 m² | 0.0029652646 ac |
| 15 m² | 0.0037065807 ac |
| 20 m² | 0.0049421076 ac |
| 25 m² | 0.0061776345 ac |
| 30 m² | 0.0074131614 ac |
| 40 m² | 0.0098842153 ac |
| 50 m² | 0.012355269 ac |
| 75 m² | 0.018532904 ac |
| 100 m² | 0.024710538 ac |
| 250 m² | 0.061776345 ac |
| 500 m² | 0.12355269 ac |
| 1,000 m² | 0.24710538 ac |
About the units
Square meter (m²)
The SI unit of area: a square one metre on each side. Apartment and office floor areas outside the US are usually quoted in m².
Acre (ac)
43,560 ft² (4,046.8564224 m²). Historically the land one ox team could plough in a day; still the US and UK unit for land parcels.
Frequently asked questions
How many acres are in one square meter?
There are 0.0002471053815 acres in one square meter, and this value is exact by definition.
How do I convert square meters to acres?
Multiply the number of square meters by 0.0002471053815. For example, 10 m² × 0.0002471053815 = 0.002471053815 ac.
How many square meters are in one acre?
One acre equals 4,046.856422 square meters. That is the reverse factor, 1 ÷ 0.0002471053815.
What is 10 square meters in acres?
10 m² = 0.002471053815 ac.
Is this m² to ac converter accurate?
Yes. Both units are defined exactly in terms of SI units, so the conversion factor is exact; results are shown to 12 significant figures by default and you can change precision in the converter. Calculations run in your browser using the same tested engine that generated this page.