EVERYDAY
Area
Surface, land and cross-sectional area.
Try a decimal, 1e-9, 1/3, or 5 1/2.
Result2.47105 acre1 ha = 2.47105 acre
EVERYDAY · ENGINEERING · SCIENCE
ha to acre Converter
Convert hectare (ha) to acre (acre). Enter a value for an instant result, or use the examples and reverse conversion below.
520units ready to convert
HOW IT IS CALCULATED
Convert through square metre
Enter a hectare value to calculate acre with full internal precision before display rounding.
Display PrecisionAuto · 6 significant digits
Auto trims unnecessary zeroes and uses scientific notation for extreme magnitudes. Use Digits to set the display precision; calculations retain full precision.
QUICK REFERENCE
All units in this quantity
| Unit | Symbol | Converted value |
|---|---|---|
| square micrometrefrom ha | µm² | 1e16 |
| square millimetrefrom ha | mm² | 10000000000 |
| square centimetrefrom ha | cm² | 100000000 |
| square decimetrefrom ha | dm² | 1000000 |
| square metrefrom ha | m² | 10000 |
| arefrom ha | a | 100 |
| hectarefrom ha | ha | 1 |
| square kilometrefrom ha | km² | 0.01 |
| square inchfrom ha | in² | 15500000 |
| square footfrom ha | ft² | 107639 |
| square yardfrom ha | yd² | 11959.9 |
| acrefrom ha | acre | 2.47105 |
| square milefrom ha | mi² | 0.00386102 |
| barnfrom ha | b | 1e32 |
SI symbols follow international notation. U.S. and Imperial measures are labelled separately where their values differ.
ha to acre Conversion Reference
Hectare (ha) and acre (acre) are units of area. Use this page to convert in either direction.
Conversion Examples
| Hectare (ha) | Acre (acre) |
|---|---|
| 1 ha | 2.47105 acre |
| 5 ha | 12.3553 acre |
| 10 ha | 24.7105 acre |
| 100 ha | 247.105 acre |
Examples are rounded to 6 significant digits. The interactive converter retains full calculation precision; change Display Precision to see more digits.
Reverse Conversion
Related Area Conversions
ha to µm² (hectare to square micrometre)ha to mm² (hectare to square millimetre)ha to cm² (hectare to square centimetre)ha to dm² (hectare to square decimetre)ha to m² (hectare to square metre)ha to a (hectare to are)ha to km² (hectare to square kilometre)ha to in² (hectare to square inch)ha to ft² (hectare to square foot)ha to yd² (hectare to square yard)ha to mi² (hectare to square mile)ha to b (hectare to barn)