Hectares to square kilometres converter
Square kilometres (km²)
1 hectare = 0.01 square kilometres
How to convert hectares to square kilometres
km² = ha × 0.01
Multiply the number of hectares by 0.01 to get square kilometres. Going the other way, divide by 0.01 (or multiply by 100).
One hectare is exactly defined as 0.01 square kilometres (to 12 significant figures), and one square kilometre is 100 hectares.
Worked examples
- Convert 5 hectares: 5 × 0.01 = 0.05 0.05 square kilometres.
- Convert 12.5 hectares: 12.5 × 0.01 = 0.125 0.125 square kilometres.
- Convert 250 hectares: 250 × 0.01 = 2.5 2.5 square kilometres.
Quick-reference table
| ha | km² |
|---|---|
| 1 | 0.01 |
| 2 | 0.02 |
| 3 | 0.03 |
| 5 | 0.05 |
| 10 | 0.1 |
| 15 | 0.15 |
| 20 | 0.2 |
| 25 | 0.25 |
| 50 | 0.5 |
| 75 | 0.75 |
| 100 | 1 |
| 1,000 | 10 |
| km² | ha |
|---|---|
| 1 | 100 |
| 2 | 200 |
| 3 | 300 |
| 5 | 500 |
| 10 | 1,000 |
| 15 | 1,500 |
| 20 | 2,000 |
| 25 | 2,500 |
| 50 | 5,000 |
| 75 | 7,500 |
| 100 | 10,000 |
| 1,000 | 100,000 |
Related conversions
Frequently asked questions
How many square kilometres are in 1 hectare?
1 hectare equals 0.01 square kilometres.
What is the formula to convert hectares to square kilometres?
Use km² = ha × 0.01. Multiply the number of hectares by 0.01 to get square kilometres. Going the other way, divide by 0.01 (or multiply by 100).
What is 100 hectares in square kilometres?
100 hectares is 1 square kilometre.