Square kilometers to Hectares Converter
Quick answer: To convert square kilometers to hectares, multiply by 100. For example, 10 km² is 1,000 ha. One square kilometer equals 100 ha.
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Use the Square kilometers to Hectares Converter
Square kilometers to Hectares formula and what each symbol means
ha = km² × 100
| Symbol | Meaning |
|---|---|
| km² | Square kilometer |
| ha | Hectare |
Square kilometers to Hectares examples
1 km²
1 km² × 100 = 100 ha.
10 km²
10 km² × 100 = 1,000 ha.
100 km²
100 km² × 100 = 10,000 ha.
Square kilometers compared with Hectares
One km² is 100 times as large as one ha, so your number gets bigger when you convert square kilometers to hectares and smaller when you convert back. If the answer is not larger than what you typed, you divided instead of multiplying.
About square kilometers and hectares
Square kilometer (km²): One million square metres. Hectare (ha): Exactly 10,000 square metres.
Where square kilometers to hectares conversions are used
Farming and forestry use hectares and acres for field and plot sizes. Land and property are sold in square metres, square feet, acres or hectares depending on the market.
How to calculate Square kilometers to Hectares step by step
- Enter the value in km² (the starting unit).
- Multiply by 100, because 1 km² = 100 ha.
- The product is the value in ha. To go back, divide by 100 or multiply by 0.01.
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How to read your Square kilometers to Hectares result
An acre is exactly 4,046.8564224 m² and a hectare is exactly 10,000 m².
| SQUARE KILOMETERS | HECTARES |
|---|---|
| 1 | 100 |
| 2 | 200 |
| 5 | 500 |
| 10 | 1,000 |
| 20 | 2,000 |
| 50 | 5,000 |
| 100 | 10,000 |
| 1,000 | 100,000 |
Hectares to Square kilometers: quick table
| HECTARES | SQUARE KILOMETERS |
|---|---|
| 1 | 0.01 |
| 5 | 0.05 |
| 10 | 0.1 |
| 25 | 0.25 |
| 50 | 0.5 |
| 100 | 1 |
| 250 | 2.5 |
| 500 | 5 |
Common mistakes when calculating Square kilometers to Hectares
- Using the US survey acre where the international acre is intended.
- Dividing when you should multiply: from km² to ha multiply by 100; from ha to km² divide by 100.
Square kilometers to Hectares FAQ
How many ha are in 1 km²?
1 km² equals 100 ha.
How many km² are in 1 ha?
1 ha equals 0.01 km².
Is 1 km² = 100 ha an exact conversion?
Yes. The square kilometer and the hectare are both defined exactly in SI terms, so the ratio has no measurement uncertainty; 100 is just that ratio shown to 7 significant figures.
What is a hectare (ha)?
Exactly 10,000 square metres.
How can I estimate square kilometers to hectares in my head?
One km² is 100 times as large as one ha, so your number gets bigger when you convert square kilometers to hectares and smaller when you convert back. If the answer is not larger than what you typed, you divided instead of multiplying.
What is 25 km² in hectares?
25 km² = 2,500 ha (since 25 × 100).
What is 80 km² in hectares?
80 km² = 8,000 ha (since 80 × 100).
What is 500 km² in hectares?
500 km² = 50,000 ha (since 500 × 100).
How many decimals should I keep when converting km² to ha?
Match the precision of your original measurement. For example, 1,000 ha rounds to 1,000 ha at 3 significant figures; keep more digits only for engineering or scientific work.
More in Area converters
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Method, review and disclaimer
Edited by: Hemant Kumar and Anjita Rai, founders of ToolsVault (SEO and content professional, not a licensed adviser). Method: this tool runs in your browser using the formula shown on this page; the numbers you enter are not sent to our servers. Sources: NIST SP 811, Appendix B.8: conversion factors