📐 Area
sq km to acres Converter
Convert sq km to acres instantly with a reference table.
Quick answer: To convert sq km to acres, multiply by 247.105. For example, 1 sq km = 247.105 acres. Use the calculator below for any value.
sq km to acres
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Common conversions
| sq km | acres |
|---|
Formula:
How to convert sq km to acres
1
Enter your value
Type the number of sq km you want to convert into the left box. The result in acres appears instantly in the right box. You can also type into the right box to convert in the other direction.
2
Use the swap button
Click the ⇄ Swap button to reverse the conversion — acres to sq km. Your current value carries across so you don't have to re-enter anything.
3
About sq km and acres
sq km and acres are both area measurements.
💡 Did you know?
1 km² = 247.1 acres. London covers about 1,572 km² ≈ 388,000 acres. A single 500km² English county like Rutland (England's smallest) = 123,500 acres. Traditional farmland is still quoted in acres in UK estate agency.
📊 Common conversions at a glance
| sq km | acres |
|---|---|
| 0.001 | 0.2471 |
| 0.01 | 2.471 |
| 0.1 | 24.71 |
| 0.5 | 123.6 |
| 1 | 247.1 |
| 2 | 494.2 |
Reviewed for 2026. sq km ↔ acres conversion factor verified against published reference data. Built by a UK-based qualified primary teacher and FA Level 2 coach as part of 247QuickTools' free utility-tools project.