How to convert hectares to square kilometers
To convert hectares (ha) to square kilometers (km²), multiply the value in hectares by 0.01.
km² = ha × 0.01
Example: 5 ha = 0.05 km².
You can also type 5 ha to km² into the smart calculator, or mix units: 1 ha + 1 km².
Hectares to Square Kilometers conversion table
| Hectares | Square Kilometers |
|---|---|
| 0.01 ha | 0.0001 km² |
| 0.1 ha | 0.001 km² |
| 0.25 ha | 0.0025 km² |
| 0.5 ha | 0.005 km² |
| 1 ha | 0.01 km² |
| 2 ha | 0.02 km² |
| 3 ha | 0.03 km² |
| 4 ha | 0.04 km² |
| 5 ha | 0.05 km² |
| 6 ha | 0.06 km² |
| 7 ha | 0.07 km² |
| 8 ha | 0.08 km² |
| 9 ha | 0.09 km² |
| 10 ha | 0.1 km² |
| 12 ha | 0.12 km² |
| 15 ha | 0.15 km² |
| 20 ha | 0.2 km² |
| 25 ha | 0.25 km² |
| 30 ha | 0.3 km² |
| 40 ha | 0.4 km² |
| 50 ha | 0.5 km² |
| 60 ha | 0.6 km² |
| 75 ha | 0.75 km² |
| 100 ha | 1 km² |
| 250 ha | 2.5 km² |
| 500 ha | 5 km² |
| 1,000 ha | 10 km² |
Converting square kilometers back to hectares
1 km² = 100 ha. See the Square Kilometers to Hectares converter, or press the swap button above.
About the units
Hectare (ha)
Ten thousand square meters, about 2.471 acres.
Square kilometer (km²)
A unit of area.
Area measures a two-dimensional surface. The SI unit is the square meter. Property is often measured in square feet, while land uses acres or hectares: one hectare is 10,000 square meters, about 2.471 acres.
Questions and answers
How many square kilometers are in a hectare?
One hectare (ha) equals 0.01 square kilometers (km²).
How do I convert hectares to square kilometers?
To convert hectares to square kilometers, multiply the value in hectares by 0.01. The formula is km² = ha × 0.01. For example, 5 ha = 0.05 km².
What is 5 ha in km²?
5 hectares is 0.05 square kilometers.
Which is bigger, a hectare or a square kilometer?
A square kilometer is bigger: 1 km² = 100 ha.
How big is an acre?
An acre is exactly 43,560 square feet, about 4,047 square meters or 0.405 hectares. A hectare is about 2.471 acres.
Does this ha to km² converter work offline?
Yes. ConvertEasy is a progressive web app: after your first visit it keeps working with no connection, and you can install it to your home screen from the browser menu.