397 ha = 3.97 km2. To convert hectares to square kilometers, divide by 100: 397 ÷ 100 = 3.97.
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: 397 × 0.01 = 3.97.
- Answer: 397 ha = 3.97 km2.
Shortcut: dividing by 100 gives the same result as multiplying by 0.01.
Hectares to Square Kilometers table
| Hectares (ha) | Square Kilometers (km2) |
|---|---|
| 392 ha | 3.92 km2 |
| 393 ha | 3.93 km2 |
| 394 ha | 3.94 km2 |
| 395 ha | 3.95 km2 |
| 396 ha | 3.96 km2 |
| 397 ha | 3.97 km2 |
| 398 ha | 3.98 km2 |
| 399 ha | 3.99 km2 |
| 400 ha | 4 km2 |
| 401 ha | 4.01 km2 |
| 402 ha | 4.02 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 |