How to convert square meters to acres
To convert square meters to acres, multiply the value by the conversion factor 0.0002471054. To go the other way, multiply by 4,046.86 (or divide by 0.0002471054).
Worked example: 5 m² to ac
- Write the value: 5 m²
- Multiply by 0.0002471054: 5 × 0.0002471054
- Result: 0.00123553 ac
Square Meter to Acre conversion table
Quick reference values, rounded to 6 significant digits.
| Square Meter (m²) | Acre (ac) |
|---|---|
| 0.1 m² | 0.0000247105 ac |
| 0.25 m² | 0.0000617763 ac |
| 0.5 m² | 0.000123553 ac |
| 1 m² | 0.000247105 ac |
| 2 m² | 0.000494211 ac |
| 3 m² | 0.000741316 ac |
| 4 m² | 0.000988422 ac |
| 5 m² | 0.00123553 ac |
| 6 m² | 0.00148263 ac |
| 7 m² | 0.00172974 ac |
| 8 m² | 0.00197684 ac |
| 9 m² | 0.00222395 ac |
| 10 m² | 0.00247105 ac |
| 12 m² | 0.00296526 ac |
| 15 m² | 0.00370658 ac |
| 20 m² | 0.00494211 ac |
| 25 m² | 0.00617763 ac |
| 30 m² | 0.00741316 ac |
| 40 m² | 0.00988422 ac |
| 50 m² | 0.0123553 ac |
| 75 m² | 0.0185329 ac |
| 100 m² | 0.0247105 ac |
| 250 m² | 0.0617763 ac |
| 500 m² | 0.123553 ac |
| 1,000 m² | 0.247105 ac |
Acre to Square Meter
| ac | m² |
|---|---|
| 1 ac | 4,046.86 m² |
| 5 ac | 20,234.28 m² |
| 10 ac | 40,468.56 m² |
| 50 ac | 202,343 m² |
| 100 ac | 404,686 m² |
1 Square Meter in other area & land units
About Square Meter and Acre
What is a square meter (m²)?
A square meter is the SI unit of area: a square with 1 meter sides. It is used in official surveys and international property listings.
What is a acre (ac)?
An acre equals 43,560 square feet or 100 decimal. It is used for agricultural land in Bangladesh, India, the UK and the US.
Important for land buyers: traditional units like katha and bigha differ between districts. This converter uses the standard values used in Dhaka and most official calculations: 1 katha = 720 sq ft, 1 bigha = 20 katha = 14,400 sq ft, 1 decimal (shotok) = 435.6 sq ft, 1 acre = 100 decimal. Always confirm the local value written in your deed (দলিল) or with the land office (AC Land).
Where square meter to acre conversion is used
Area & land conversions are needed for buying and selling land, flats, deed (dolil) records, construction planning and farming. Converting between square meters and acres is especially common when you compare products, read foreign specifications, or fill in forms that expect a specific unit.
Need every unit at once? Use the full Area & Land Converter.
Frequently asked questions
How many acres are in 1 square meter?
1 Square Meter equals 0.000247105 ac.
How do I convert square meters to acres?
Multiply the number of square meters by 0.0002471054. For example, 5 m² × 0.0002471054 = 0.00123553 ac.
What is 5 m² in ac?
5 m² = 0.00123553 ac.
How many square meters are in 1 acre?
1 Acre equals 4,046.86 m². Use the Acre to Square Meter converter for the reverse direction.
Is this Square Meter to Acre converter accurate?
Yes. It uses exact internationally defined conversion factors and the standard Bangladeshi values for traditional units, calculated with full floating-point precision. Results are displayed rounded for readability.