Acre to square kilometre converter (ac to km²)
1 acre = 0.00404686 square kilometre · 1 square kilometre = 247.105 acre
acre to square kilometre formula
square kilometre = acre × 0.004046856422
Worked example
10 acre = 10 × 0.004046856422 = 0.0404686 square kilometre
Convert a list of values
Paste one value per line (a column from Excel works) · up to 100 lines
acre to square kilometre conversion table
| acre (ac) | square kilometre (km²) |
|---|---|
| 1 ac | 0.00404686 km² |
| 2 ac | 0.00809371 km² |
| 3 ac | 0.0121406 km² |
| 4 ac | 0.0161874 km² |
| 5 ac | 0.0202343 km² |
| 6 ac | 0.0242811 km² |
| 7 ac | 0.028328 km² |
| 8 ac | 0.0323749 km² |
| 9 ac | 0.0364217 km² |
| 10 ac | 0.0404686 km² |
| 15 ac | 0.0607028 km² |
| 20 ac | 0.0809371 km² |
| 25 ac | 0.101171 km² |
| 30 ac | 0.121406 km² |
| 40 ac | 0.161874 km² |
| 50 ac | 0.202343 km² |
| 60 ac | 0.242811 km² |
| 70 ac | 0.28328 km² |
| 80 ac | 0.323749 km² |
| 90 ac | 0.364217 km² |
| 100 ac | 0.404686 km² |
| 200 ac | 0.809371 km² |
| 250 ac | 1.01171 km² |
| 500 ac | 2.02343 km² |
| 1,000 ac | 4.04686 km² |
About these units
- acre (ac)
- About 2.53 rai.
FAQ
How many square kilometre in 1 acre?
1 acre is 0.00404686 square kilometre.
How many acre in 1 square kilometre?
1 square kilometre is 247.105 acre.
What is the formula to convert acre to square kilometre?
square kilometre = acre × 0.004046856422. For example, 10 acre = 10 × 0.004046856422 = 0.0404686 square kilometre.
What is 10 acre in square kilometre?
10 acre = 0.0404686 square kilometre.
Convert acre to other units
acre → square centimetreacre → square metreacre → hectareacre → rai (Thai)acre → ngan (Thai)acre → square wa (Thai)acre → square inchacre → square footacre → square yardacre → square mile
More in Area