ha to km2 Converter - Hectare to Square Kilometer
Hectare (ha) to Square Kilometer (km²) (km2)
Direct answer
1 ha = 0.01 km2
km2 = ha × 0.01
Converter
Conversion formula
km2 = ha × 0.01
ha = km2 × 100
Example: 10 ha = 10 × 0.01 = 0.1 km2.
Common conversion table
| 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 |
| 100 ha | 1 km2 |
| 1,000 ha | 10 km2 |
Conversion derivation
Express both ha and km2 in the same base unit m2 (square meter), then cancel the shared base unit.
- 1
Rewrite ha in the base unit
- 2
Rewrite km2 in the base unit
- 3
Forward conversion
- 4
Reverse conversion
AI explanation for this conversion
This pre-generated explanation is schema-checked. Numeric results still come from the page formula and calculator.
Hectare to Square Kilometer Conversion
The conversion factor from hectares (ha) to square kilometers (km²) is 0.01. This is because 1 ha equals 10,000 m² and 1 km² equals 1,000,000 m².
Definition
A hectare (ha) is a metric unit of area equal to 10,000 square meters. A square kilometer (km²) is a metric unit of area equal to 1,000,000 square meters.
Principle
Both units are defined in terms of the square meter (m²). The conversion factor is derived by dividing the definition of the source unit (ha) by the definition of the target unit (km²).
Assumptions
- The conversion uses the exact definitions of the metric units: 1 ha = 10,000 m² and 1 km² = 1,000,000 m².
Cautions
- The conversion factor is exact. Rounding should only be applied to the final result as required by your calculation.
FAQ
How many km2 are in 1 ha?
1 ha = 0.01 km2.
How many km2 are in 10 ha?
10 ha = 0.1 km2.
How many km2 are in 100 ha?
100 ha = 1 km2.
What is the formula to convert ha to km2?
Use km2 = ha × 0.01.
How many ha are in 1 km2?
1 km2 = 100 ha.
What should I check when converting ha to km2?
Use the conversion factor and round the result to the precision required by your calculation.