EVERYDAY
Area
Surface, land and cross-sectional area.
Try a decimal, 1e-9, 1/3, or 5 1/2.
Result0.00386102 mi²1 ha = 0.00386102 mi²
EVERYDAY · ENGINEERING · SCIENCE
ha to mi² Converter
Convert hectare (ha) to square mile (mi²). 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 square mile 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 mi² Conversion Reference
Hectare (ha) and square mile (mi²) are units of area. Use this page to convert in either direction.
Conversion Examples
| Hectare (ha) | Square Mile (mi²) |
|---|---|
| 1 ha | 0.00386102 mi² |
| 5 ha | 0.0193051 mi² |
| 10 ha | 0.0386102 mi² |
| 100 ha | 0.386102 mi² |
Examples are rounded to 6 significant digits. The interactive converter retains full calculation precision; change Display Precision to see more digits.
Reverse Conversion
mi² to ha (square mile to hectare)
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 acre (hectare to acre)ha to b (hectare to barn)