Hectares to Square kilometres Converter
Convert hectares (ha) to square kilometres (km²) instantly. Area conversions are everyday maths in Singapore property: HDB flats are listed in square metres while condo listings and PSF prices use square feet.
Result
- Square kilometres
- 0.01 km²
How to use the hectares to square kilometres converter
- Enter the hectares (ha).
- The results update as you type, or press Calculate.
- Read the square kilometres first, then the supporting figures below it.
Formula
Square kilometres = hectares × 0.01
Worked example
For example, with these inputs:
- Hectares (ha): 1
the calculator returns:
- Square kilometres: 0.01 km²
Hectares to Square kilometres table
| Hectares | Square kilometres |
|---|---|
| 1 ha | 0.01 km² |
| 2 ha | 0.02 km² |
| 5 ha | 0.05 km² |
| 10 ha | 0.1 km² |
| 20 ha | 0.2 km² |
| 25 ha | 0.25 km² |
| 50 ha | 0.5 km² |
| 100 ha | 1 km² |
| 250 ha | 2.5 km² |
| 500 ha | 5 km² |
| 1,000 ha | 10 km² |
About this conversion
Area conversions are everyday maths in Singapore property: HDB flats are listed in square metres while condo listings and PSF prices use square feet.
Writing the units next to every number while you work is the simplest way to avoid mistakes. If the units do not cancel to leave the one you want, the calculation is set up wrongly.
Many conversion factors are exact by definition. The inch has been defined as exactly 2.54 centimetres since 1959, and the pound as exactly 0.45359237 kilograms, so conversions involving them can be as precise as you need.
Frequently asked questions
How many square kilometres are in one hectare?
1 ha = 0.01 km².
How do I convert ha to km²?
Square kilometres = hectares × 0.01.