AREA CONVERSION
Hectare to Square kilometer.
Convert hectare (ha) to square kilometer (km²), with the math explained.
THE MATH, MADE SIMPLE
How to convert hectare to square kilometer
Multiply your hectare value by 0.01 to get the equivalent in square kilometer. Both units are normalized through the square meter.
km² = ha × 0.0110 ha = 0.1 km²
Result rounded to 12 significant digits. Change the precision in the calculator to suit your task.QUICK REFERENCE
ha to km² conversion table
| Hectare (ha) | Square kilometer (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 |
| 100 ha | 1 km² |
| 500 ha | 5 km² |
| 1,000 ha | 10 km² |
About the hectare
The hectare (ha) is a unit of area. One hectare equals 10,000 square meter (base unit) in this calculator.
All hectare conversionsAbout the square kilometer
The square kilometer (km²) is a unit of area. One square kilometer equals 1,000,000 square meter (base unit) in this calculator.
All square kilometer conversionsCommon questions
What is 1 ha in km²?
One hectare equals 0.01 km². Use the formula above for other values.
Why might another calculator show a different last digit?
Calculators may round at different stages or use different unit conventions. We keep full JavaScript numeric precision during calculation and round only for display. Choose up to 15 significant digits. Check US versus UK units and the notes for this category.
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