Area
Surface, land and cross-sectional area.
Try a decimal, 1e-9, 1/3, or 5 1/2.
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Convert are (a) 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 are 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 a | µm² | 100000000000000 |
| square millimetrefrom a | mm² | 100000000 |
| square centimetrefrom a | cm² | 1000000 |
| square decimetrefrom a | dm² | 10000 |
| square metrefrom a | m² | 100 |
| arefrom a | a | 1 |
| hectarefrom a | ha | 0.01 |
| square kilometrefrom a | km² | 0.0001 |
| square inchfrom a | in² | 155000 |
| square footfrom a | ft² | 1076.39 |
| square yardfrom a | yd² | 119.599 |
| acrefrom a | acre | 0.0247105 |
| square milefrom a | mi² | 0.0000386102 |
| barnfrom a | b | 1e30 |
SI symbols follow international notation. U.S. and Imperial measures are labelled separately where their values differ.
Are (a) and acre (acre) are units of area. Use this page to convert in either direction.
| Are (a) | Acre (acre) |
|---|---|
| 1 a | 0.0247105 acre |
| 5 a | 0.123553 acre |
| 10 a | 0.247105 acre |
| 100 a | 2.47105 acre |
Examples are rounded to 6 significant digits. The interactive converter retains full calculation precision; change Display Precision to see more digits.