Convert Acre to Square Kilometer
Other Acre Conversions
- Acre to Square Meter
- Acre to Square Mile
- Acre to Square Yard
- Acre to Square Foot
- Acre to Square Inch
- Acre to Hectare
- See also: Square Kilometer to Acre
Conversion Table
| 0.1 ac | 0.000404685642 km² |
| 0.5 ac | 0.002023428211 km² |
| 1 ac | 0.004046856422 km² |
| 5 ac | 0.02023428211 km² |
| 10 ac | 0.04046856422 km² |
| 50 ac | 0.2023428211 km² |
| 100 ac | 0.4046856422 km² |
| 500 ac | 2.023428211 km² |
| 1,000 ac | 4.046856422 km² |
| Units in Acre | Units in Square Kilometer |
|---|---|
| 1 Square Kilometer = 247.1053815 Acre | 1 Square Kilometer = 1 Square Kilometer |
| 1 Square Meter = 0.000247105382 Acre | 1 Square Meter = 0.000001 Square Kilometer |
| 1 Square Mile = 640 Acre | 1 Square Mile = 2.58998811 Square Kilometer |
| 1 Square Yard = 0.00020661157 Acre | 1 Square Yard = 0.000000836127 Square Kilometer |
| 1 Square Foot = 0.000022956841 Acre | 1 Square Foot = 0.000000092903 Square Kilometer |
| 1 Square Inch = 0.000000159423 Acre | 1 Square Inch = 6.4516e-10 Square Kilometer |
| 1 Hectare = 2.471053815 Acre | 1 Hectare = 0.01 Square Kilometer |
| 1 Acre = 1 Acre | 1 Acre = 0.004046856422 Square Kilometer |
On this page you can convert acre (ac) to square kilometer (km²) quickly and easily. One acre equals 0.004046856422 square kilometers, and one square kilometer equals 247.1053815 acres. Type any value in the converter above and the result appears right away.
The acre is an area unit used in the United States and the United Kingdom for land. One acre equals about 4,047 square meters. Its symbol is ac.
The square kilometer is a metric area unit equal to one million square meters. It is used for cities, lakes, and countries. Its symbol is km².
To convert from acre to square kilometer, multiply the number of acres by 0.004046856422. For example: 5 ac × 0.004046856422 = 0.02023428211 km², and 20 ac × 0.004046856422 = 0.08093712845 km². To go the other way, from square kilometer to acre, divide by 0.004046856422 instead.
This area converter is free, works on your phone and computer, and even works offline after your first visit. The tables above give you ready answers for the most common values, and you will also find links to more acre conversions.