9 hectares to square kilometers (9 ha to km²)
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Open the full hectares to square kilometers converter
Formula
To convert hectares to square kilometers, multiply the value by 0.01.
km² = ha × 0.01
How to convert 9 ha to km²
9 ha × 0.01 = 0.09 km²
Values near 9 ha
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About the units
- Hectare (ha)
- Used for farmland and forests worldwide. Equal to 10,000 square metres, introduced in the French metric system in 1795.
- Square Kilometer (km²)
- Used for the area of countries, cities and lakes. Equal to one million square metres.
Frequently asked questions
- How do I convert hectares to square kilometers?
- To convert hectares to square kilometers, multiply the value by 0.01.
- How many square kilometers are in 1 hectare?
- 1 hectare equals 0.01 km².
- How many square kilometers are in 10 hectares?
- 10 ha equals 0.1 km².
- How do I convert square kilometers back to hectares?
- Use the reverse converter: 1 square kilometer equals 100 ha.
- Is this converter accurate?
- Yes. It uses the exact SI/NIST definitions of each unit and shows up to 6 significant digits.
Related conversions
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- square centimeters → square kilometers
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