1 ac = 0.00404686 km²
Acres (ac)
Square Kilometers (km²)
Result
—km²
| Acres | Square Kilometers |
|---|---|
| 1 ac | 0.00404686 km² |
| 2 ac | 0.00809372 km² |
| 5 ac | 0.0202343 km² |
| 10 ac | 0.0404686 km² |
| 25 ac | 0.1011715 km² |
| 50 ac | 0.202343 km² |
| 100 ac | 0.404686 km² |
| 500 ac | 2.02343 km² |
| 1000 ac | 4.04686 km² |
How to Convert Acres to Square Kilometers
1 ac = 0.00404686 km²
To convert from acres to square kilometers, use the formula above. Multiply your value in acres by the conversion factor to get the result in square kilometers.
About Acres
The acre (ac) is a standard unit of area measurement used in scientific and everyday contexts worldwide.
About Square Kilometers
The square kilometer (km²) is widely used in science and international contexts.
Frequently Asked Questions
QHow many square kilometers in 1 acre?
1 acre equals 0.00404686 square kilometers.
QHow do I convert acres to square kilometers?
Use the formula: 1 ac = 0.00404686 km². Or simply enter your value in the converter above for an instant, accurate result.
QIs this converter accurate?
Yes. CVRT uses precise conversion factors based on international standards (SI units). Results are accurate to 8 significant figures.
QCan I convert square kilometers back to acres?
Yes — click the swap button (⇄) or visit the Square Kilometers to Acres converter page.