How to convert hectares to square kilometers
Hectares and Square Kilometers both measure area, so converting is a single multiplication. One ha equals 0.01 km², so you multiply your hectares value by 0.01.
Formula: square kilometers = hectares × 0.01. For example, 10 ha = 0.1 km².
Hectares to Square Kilometers conversion table
| Hectares (ha) | Square Kilometers (km²) |
|---|---|
| 1 | 0.01 |
| 2 | 0.02 |
| 5 | 0.05 |
| 10 | 0.1 |
| 25 | 0.25 |
| 50 | 0.5 |
| 100 | 1 |
| 1,000 | 10 |
Hectares and Square Kilometers explained
Hectares (ha): Ten thousand square metres, the metric unit for land area.
Square Kilometers (km²): One million square metres, used for regions and countries.
When you'd convert hectares to square kilometers
You'll convert hectares to square kilometers whenever a measurement is given in one unit but you need it in the other — comparing hectares and square kilometers figures across regions, following a recipe or spec, or double-checking a number. Because 1 ha is exactly 0.01 km², the result is precise every time.
Frequently asked questions
How many square kilometers are in a hectare?
One ha equals 0.01 km². Multiply your hectares figure by 0.01 to get square kilometers.
What is the formula to convert hectares to square kilometers?
square kilometers = hectares × 0.01. The factor 0.01 is exact.
What is 2 hectares in square kilometers?
2 ha = 0.02 km². You can enter any value in the converter above to get an instant result.
Is this Hectares to Square Kilometers converter accurate?
Yes. It uses the standard conversion factor (1 ha = 0.01 km²) defined by BIPM — SI Brochure (derived units), so results are exact to several decimal places.