Square Kilometers to Hectares Converter
Enter the area in square kilometers below to convert it to hectares.
Convert Square Kilometers to Hectares
Enter a value in square kilometers (km²) to convert to hectares (ha).
Square Kilometer to Hectare Conversion Table
Table showing various square kilometer measurements converted to hectares. Click any preset value or arrow to load it into the converter.
How to Convert Square Kilometers to Hectares
To convert square kilometers to hectares, multiply the area by the following conversion ratio: 100 hectares/square kilometer.
Since one square kilometer is equal to 100 hectares, you can use this simple formula to convert:
The area in hectares is equal to the area in square kilometers multiplied by 100.
For example, here's how to convert 5 square kilometers to hectares using the formula above.
How Many Hectares Are in a Square Kilometer?
There are 100 hectares in a square kilometer, which is why we use this value in the formula above.
Our square kilometer to hectare calculator automatically converts your area measurements with full decimal and scientific precision across US customary, imperial, and SI metric standards.
Square Kilometers and hectares are both units used to measure area. Keep reading to learn more about each unit.
What Is a Square Kilometer?
A square kilometer is a unit of area equal to 1,000,000 square meters (m²), the base unit for area. Equal to 1,000,000 square meters or 100 hectares. [1]
The square kilometer is classified as an International System of Units (SI) unit of area. Square Kilometers can be abbreviated as km²; for example, 1 square kilometer can be written as 1 km².
When working with square kilometers (km²) in formulas or technical specifications, always verify whether your target system uses SI metric, US customary, or British imperial standards.
In practice, square kilometers (km²) are widely used across large-scale industrial, bulk, and macro-level area specifications within International System of Units (SI) workflows, engineering documentation, and technical data sheets.
What Is a Hectare?
A hectare is a unit of area equal to 10,000 square meters (m²), the base unit for area. Metric land unit equal to 10,000 square meters (approx. 2.471 acres). [2]
The hectare is classified as a metric and SI-compatible unit of area. Hectares can be abbreviated as ha; for example, 1 hectare can be written as 1 ha.
When working with hectares (ha) in formulas or technical specifications, always verify whether your target system uses SI metric, US customary, or British imperial standards.
In practice, hectares (ha) are widely used across large-scale industrial, bulk, and macro-level area specifications within SI metric workflows, engineering documentation, and technical data sheets.
When converting area between square kilometers (km²) and hectares (ha), keep full floating-point precision (1 km² = 100 ha; 1 ha = 0.01 km²) during intermediate calculations and round only the final hectare figure to match your instrument tolerance.
More Square Kilometer & Hectare Conversions
Need to calculate in the opposite direction? Use our hectares to square kilometers calculator to switch your starting unit immediately. You can also explore related tools such as converting hectares to square kilometers, converting acres to hectares, or converting square meters to hectares.
Convert from Square Kilometers
Frequently Asked Questions
References
- [1]NIST OWM StandardNIST OWM (SI Units — Length & Area)·Area Metrology Standard — Square Kilometers (km²) to Hectares (ha)
- [2]NIST HB 44 SpecificationNIST HB 44 (Acre, Hectare & Land Survey Tables)·Unit Specifications: Square Kilometer (km²) & Hectare (ha)
- [3]NIST SP 811 ReferenceNIST SP 811 (NIST SP 811 App. B.9 (Area))·Conversion Factors & Mathematical Basis (km² to ha)