How many acre are in one square meter?
One square meter is 0.0002471 ac.
Square meter to Acre
Type a value to convert it from square meter to acre. One m² equals 0.0002471 ac.
Result
Square meter and Acre, side by side
One square meter is 0.0002471 ac. In the other direction, one acre is 4047 m².
The factor is exact rather than rounded: the imperial units have been defined from the metric ones since 1959, so the conversion introduces no error of its own. What you see below is arithmetic, not an approximation.
| Square meter | Acre |
|---|---|
| 1 | 0.000247105 |
| 10 | 0.00247105 |
| 50 | 0.0123553 |
| 100 | 0.0247105 |
| 500 | 0.123553 |
| 1000 | 0.247105 |
Frequently asked questions
How do I convert acre back to square meter?
One acre is 4047 m². The tool above converts in both directions.
Other tools
Ethanol or Gasoline
Which fuel pays off at today’s prices, for your car.
Length Converter
Centimeters to inches, meters to feet, kilometers to miles.
Weight Converter
Kilograms to pounds, grams to ounces, and back again.
Temperature Converter
Celsius to Fahrenheit and Kelvin, with the offset done right.
Volume Converter
Liters to gallons, milliliters to fluid ounces.
Fraction Calculator
Add, subtract, multiply and divide fractions — exactly, never rounded.