Convert Hectares to Square Kilometers
Convert hectares to square kilometers instantly. Type a value below, check the formula and table, then see how the same ha to km² conversion looks as a single line in Notes Calculator.
Hectares to Square Kilometers formula
One hectare is 0.01 square kilometers, so km² = ha × 0.01. For the reverse, multiply square kilometers by 100, or use the Square Kilometers to Hectares converter.
Hectares to Square Kilometers conversion table
| Hectares (ha) | Square Kilometers (km²) |
|---|---|
| 1 | 0.01 |
| 2 | 0.02 |
| 5 | 0.05 |
| 10 | 0.1 |
| 20 | 0.2 |
| 25 | 0.25 |
| 50 | 0.5 |
| 100 | 1 |
| 250 | 2.5 |
| 500 | 5 |
| 1,000 | 10 |
Hectares to Square Kilometers in Notes Calculator
Notes Calculator is a notepad that does math. Write 100 hectares to square kilometers on any line and the answer appears beside it. Change the number and the result follows. The same works with in and as, and with values stored in variables, so a whole estimate can mix hectares and square kilometers without a separate converter.
| Note | Result |
|---|---|
| 100 hectares to square kilometers | 1 km² |
| 100 hectares in square kilometers | 1 km² |
| 10 square kilometers as hectares | 1,000 ha |
See the unit conversion docs for mixing units in one expression, or open the free web app and try it.
FAQ
Frequently asked questions
- One hectare equals 0.01 square kilometers. To convert hectares to square kilometers, multiply by 0.01; to go back, multiply by 100.
- Type the value, the unit, and the target unit on one line: 100 hectares to square kilometers. The keywords to, in, and as all work, and the result updates as you type. You can also keep the value in a variable and convert it later.
- Yes. The converter on this page is free, and Notes Calculator has a free plan for the web, Mac, Windows, Linux, and Android with the same unit conversions built in.
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