Convert Hectares to square kilometers
1 hectare = 0.01 square kilometers · km² = ha ÷ 100
When you need this conversion
This conversion goes from hectares, the metric land measure used in agriculture worldwide, to square kilometers, used for cities, parks, and regions. Both measure the same physical quantity, so the conversion is exact — the difference is which unit your source, tool, or region happens to use.
Hectares to square kilometers conversion table
| Hectares (ha) | Square kilometers (km²) |
|---|---|
| 1 ha | 0.01 km² |
| 2 ha | 0.02 km² |
| 3 ha | 0.03 km² |
| 5 ha | 0.05 km² |
| 10 ha | 0.1 km² |
| 15 ha | 0.15 km² |
| 20 ha | 0.2 km² |
| 25 ha | 0.25 km² |
| 50 ha | 0.5 km² |
| 75 ha | 0.75 km² |
| 100 ha | 1 km² |
| 250 ha | 2.5 km² |
| 500 ha | 5 km² |
| 1,000 ha | 10 km² |
The formula
km² = ha ÷ 100Because both units measure area, the conversion is a single multiplication by a fixed factor. That factor never changes, so the result is exact.
Convert the other way
Square kilometers to hectares →Related area conversions
- Hectares to acres
- Square meters to square feet
- Square feet to square meters
- Acres to hectares
- Square millimeters to square kilometers
- Square centimeters to square kilometers
- Square meters to square kilometers
- Square inches to square kilometers
- Square feet to square kilometers
- Square yards to square kilometers
- Square miles to square kilometers
- Acres to square kilometers
Frequently asked questions
- How many square kilometers are in a hectare?
- There are 0.01 square kilometers in 1 hectare. The formula is km² = ha ÷ 100.
- How do you convert hectares to square kilometers?
- Use the formula km² = ha ÷ 100. For example, 10 hectares equals 0.1 square kilometers.
- Is the hectares to square kilometers conversion exact?
- Yes. Hectares and square kilometers are both units of area, related by an exact defined factor. Displayed results are rounded for readability.
- What is ha short for?
- ha is the standard symbol for hectare. km² is the symbol for square kilometer.