Hectare (ha)
A hectare is 10,000 square meters, or exactly one hundred ares — a practical field for large plots.
Hectares report forest cover, vineyard size, and agricultural statistics in metric countries.
Hectare to Square Kilometer
Convert hectare to square kilometer instantly. Type in either field — results update live.
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Area Hectare Square Kilometer
1 hectare = 0.01 square kilometers
Unit
Unit
Conversion table
Selected ha values converted to km² using the exact factor from this tool.
| ha | km² |
|---|---|
| 0.01 | 0.0001 |
| 0.1 | 0.001 |
| 1 | 0.01 |
| 2 | 0.02 |
| 3 | 0.03 |
| 5 | 0.05 |
| 10 | 0.1 |
| 20 | 0.2 |
| 50 | 0.5 |
| 100 | 1 |
| 1,000 | 10 |
How to convert
Exact conversion factors in both directions, plus a worked example.
1 ha = 0.01 km²
1 km² = 100 ha
To convert hectare to square kilometer, multiply by 0.01.
To convert square kilometer to hectare, multiply by 100.
Example: convert 10 ha to km²
10 × 0.01 = 0.1 km²
About these units
Short background on the units used in this conversion.
Square Kilometer (km²)
A square kilometer is one million square meters — a convenient scale for towns, lakes, and protected areas.
Square kilometers appear on maps, census data, and environmental reports worldwide.
Frequently asked questions
How many square kilometers are in one hectare?
One hectare equals 0.01 square kilometers. Multiply your hectares value by 0.01 to convert to square kilometers.
What is the conversion formula?
km² = ha × 0.01The reverse is
ha = km² × 100, using the same exact factors as this converter.Is this Hectare to Square Kilometer converter private?
Yes. All calculations run locally in your browser. Nothing you type is sent to a server.
All hectare conversions
Jump to any area conversion starting from hectare — including the reverse direction and every other unit in our dataset.
square kilometer (km²) → hectare (ha)
hectare (ha) → square meter (m²)hectare (ha) → square centimeter (cm²)hectare (ha) → square millimeter (mm²)hectare (ha) → square micrometer (µm²)hectare (ha) → square nanometer (nm²)hectare (ha) → square decimeter (dm²)hectare (ha) → square dekameter (dam²)hectare (ha) → square hectometer (hm²)hectare (ha) → are (a)hectare (ha) → barn (b)hectare (ha) → square mile (mi²)hectare (ha) → square mile (us survey) (mi² surv)hectare (ha) → sectionhectare (ha) → square yard (yd²)hectare (ha) → square foot (ft²)hectare (ha) → square foot (us survey) (ft² surv)hectare (ha) → sabinhectare (ha) → square inch (in²)hectare (ha) → circular inch (circ in)hectare (ha) → acre (ac)hectare (ha) → acre (us survey) (ac surv)hectare (ha) → square rod (rd²)hectare (ha) → square rod (us survey) (rd² surv)hectare (ha) → square perch (perch²)hectare (ha) → square pole (pole²)hectare (ha) → square chain (ch²)hectare (ha) → roodhectare (ha) → township (twp)hectare (ha) → homesteadhectare (ha) → square mil (mil²)hectare (ha) → circular mil (circ mil)hectare (ha) → square nautical mile (NM²)hectare (ha) → arpenthectare (ha) → cuerdahectare (ha) → plazahectare (ha) → varas castellanas cuad (varas cast.)hectare (ha) → varas conuqueras cuad (varas con.)hectare (ha) → electron cross section (σₑ)