Area
Surface, land and cross-sectional area.
Try a decimal, 1e-9, 1/3, or 5 1/2.
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Convert square metre (m²) to acre (acre). Enter a value for an instant result, or use the examples and reverse conversion below.
Surface, land and cross-sectional area.
Try a decimal, 1e-9, 1/3, or 5 1/2.
Enter a square metre value to calculate acre with full internal precision before display rounding.
Auto trims unnecessary zeroes and uses scientific notation for extreme magnitudes. Use Digits to set the display precision; calculations retain full precision.
| Unit | Symbol | Converted value |
|---|---|---|
| square micrometrefrom m² | µm² | 1000000000000 |
| square millimetrefrom m² | mm² | 1000000 |
| square centimetrefrom m² | cm² | 10000 |
| square decimetrefrom m² | dm² | 100 |
| square metrefrom m² | m² | 1 |
| arefrom m² | a | 0.01 |
| hectarefrom m² | ha | 0.0001 |
| square kilometrefrom m² | km² | 0.000001 |
| square inchfrom m² | in² | 1550 |
| square footfrom m² | ft² | 10.7639 |
| square yardfrom m² | yd² | 1.19599 |
| acrefrom m² | acre | 0.000247105 |
| square milefrom m² | mi² | 0.000000386102 |
| barnfrom m² | b | 1e28 |
SI symbols follow international notation. U.S. and Imperial measures are labelled separately where their values differ.
Square Metre (m²) and acre (acre) are units of area. Use this page to convert in either direction.
| Square Metre (m²) | Acre (acre) |
|---|---|
| 1 m² | 0.000247105 acre |
| 5 m² | 0.00123553 acre |
| 10 m² | 0.00247105 acre |
| 100 m² | 0.0247105 acre |
Examples are rounded to 6 significant digits. The interactive converter retains full calculation precision; change Display Precision to see more digits.
acre to m² (acre to square metre)