How to convert square kilometers to hectares
To convert square kilometers to hectares, multiply by 100. Area conversions are essential for real estate, flooring, land surveys, farming and map reading.
Square Kilometer to Hectare conversion table
| Square Kilometer (km²) | Hectare (ha) |
|---|---|
| 0.1 km² | 10 ha |
| 0.5 km² | 50 ha |
| 1 km² | 100 ha |
| 2 km² | 200 ha |
| 3 km² | 300 ha |
| 4 km² | 400 ha |
| 5 km² | 500 ha |
| 10 km² | 1,000 ha |
| 20 km² | 2,000 ha |
| 25 km² | 2,500 ha |
| 50 km² | 5,000 ha |
| 100 km² | 10,000 ha |
| 500 km² | 50,000 ha |
| 1,000 km² | 100,000 ha |
About the units
Square Kilometer (km²)
A square kilometer equals 1,000,000 m² and measures cities, lakes and countries.
Hectare (ha)
A hectare equals 10,000 m² (a 100 m × 100 m square) and is the metric unit for farmland.
How to use this converter
- Type the number of square kilometers (km²) in the input box.
- The result in hectares appears instantly — no button needed.
- See the same value in every other area unit just below.
- Use “Swap units” to convert hectares back to square kilometers.
When you’ll use the square kilometer to hectare conversion
Converting square kilometers to hectares comes up more often than you might expect — for example when reading land listings in acres or hectares, planning a garden layout, or comparing apartment or house sizes. Type your number once and you get the exact answer plus every related unit, so you don’t need to convert twice.
💡 The factor is exact and easy to remember: 1 km² = 100 ha.
Watch out for these mix-ups
- Converting area with a length factor — square units need the factor squared.
- Confusing acres (US/UK) with hectares (metric); one hectare is about 2.47 acres.
Tips for better results
- Double-check which system a unit belongs to (for example US vs UK gallons).
- Use the swap button to convert in the opposite direction instantly.
- Bookmark the conversions you use most — each pair has its own page.
Frequently asked questions
How many hectares are in one square kilometer?
One square kilometer equals 100 hectares. 100 is the exact factor used by this converter.
How do I convert square kilometers to hectares?
Multiply the value in square kilometers by 100. To go the other way, multiply hectares by 0.01.
What is 10 km² in ha?
10 km² = 1,000 ha. Also, 5 km² = 500 ha and 100 km² = 10,000 ha.
What is the difference between a square kilometer and a hectare?
A square kilometer equals 1,000,000 m² and measures cities, lakes and countries. A hectare equals 10,000 m² (a 100 m × 100 m square) and is the metric unit for farmland.
Is this tool free and private?
Yes — the Square Kilometer to Hectare is completely free with no sign-up, and it runs entirely in your browser, so the values you enter are never uploaded to our servers.
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