How to convert square metres to acres
ac = m² × 0.000247105382
Example: 5 m² × 0.000247105382 = 0.001235526907 ac
Square Meters to Acres table
| Square Meters (m²) | Acres (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 |
| 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 these units
Square Meters (m²): A square metre (m²) is the area of a square 1 metre on each side – the SI unit of area, used for floor space worldwide.
Acres (ac): An acre is 43,560 square feet, or exactly 4,046.8564224 m². It is the usual unit for farmland and plots in the US, UK and South Asia.
Frequently asked questions
How many acres are in 1 square metre?
1 square metre (m²) equals 0.000247105382 acres.
How do I convert m² to ac?
Multiply the value in square metres by 0.000247105382. For example, 5 m² × 0.000247105382 = 0.001235526907 ac.
How do I convert acres back to square metres?
Multiply by 4,046.856422 (or divide by 0.000247105382). 1 ac = 4,046.856422 m².
What is a square metre?
A square metre (m²) is the area of a square 1 metre on each side – the SI unit of area, used for floor space worldwide.
Conversion factors come from exact international definitions (NIST SP 811, BIPM) where they exist. Results show up to 10 significant digits. Need every area unit at once? Use the Area Converter.