Hectares to Square Kilometers
Convert ha to km² quickly with this free online calculator. The page explains the conversion rule, gives practical examples and provides a quick reference table.
100 hectares equal 1 square kilometer.
How to use the Hectares to Square Kilometers
- Enter the number you want to convert.
- Confirm the source unit shown beside the input.
- Choose decimal precision if you need more or less detail.
- Read the converted result.
- Copy the result when you need to use it elsewhere.
How the conversion works
100 hectares equal 1 square kilometer.
For a simple fixed-factor conversion, the calculator multiplies the entered value by the stated factor. Temperature scales and certain specialized tools use their specific mathematical relationship instead.
Common ha to km² conversions
| ha | km² |
|---|---|
| 1 ha | 0.01 km² |
| 2 ha | 0.02 km² |
| 5 ha | 0.05 km² |
| 10 ha | 0.1 km² |
| 20 ha | 0.2 km² |
| 50 ha | 0.5 km² |
Example
For example, entering 1 ha gives approximately 0.01 km² using the rule above. Change the input to test your own value.
Frequently asked questions
Accuracy note: This calculator is a practical reference. For regulated, safety-critical or specialized work, verify the result against the applicable standard.
Page reviewed: August 24, 2026.