Acre to square kilometer converter (ac to km2)

Conversion Formula

1 ac = 0.004047 km2

Step-by-Step Explanation

1. Understand the base relationship:
   1 Acre = 4,046.9 square meters
   1 Square Kilometer = 1,000,000 square meters
2. Establish the conversion factor:
   1 ac = (4,046.9 m²) / (1,000,000 m²/km2) = 0.004047 km2
3. Apply the conversion:
   Multiply the value in ac by 0.004047 to get the equivalent in km2

Example Conversion

Convert 5 ac to km2:

5 ac × 0.004047 = 0.020234 km2