18 ha = 0.18 km2. To convert hectares to square kilometers, divide by 100: 18 ÷ 100 = 0.18.
How to convert hectares to square kilometers
km2 = ha × 0.01
- 1 ha = 0.01 km2 (and 1 km2 = 100 ha).
- Multiply the amount by the factor: 18 × 0.01 = 0.18.
- Answer: 18 ha = 0.18 km2.
Shortcut: dividing by 100 gives the same result as multiplying by 0.01.
Hectares to Square Kilometers table
| Hectares (ha) | Square Kilometers (km2) |
|---|---|
| 13 ha | 0.13 km2 |
| 14 ha | 0.14 km2 |
| 15 ha | 0.15 km2 |
| 16 ha | 0.16 km2 |
| 17 ha | 0.17 km2 |
| 18 ha | 0.18 km2 |
| 19 ha | 0.19 km2 |
| 20 ha | 0.2 km2 |
| 21 ha | 0.21 km2 |
| 22 ha | 0.22 km2 |
| 23 ha | 0.23 km2 |
| ha | km2 |
|---|---|
| 1 ha | 0.01 km2 |
| 5 ha | 0.05 km2 |
| 10 ha | 0.1 km2 |
| 50 ha | 0.5 km2 |
| 100 ha | 1 km2 |
| 1,000 ha | 10 km2 |