Acre → Square kilometer (ac → km2)

1 ac = 0.004046856 km2
1 Acre (ac) = 0.004046856 Square kilometer (km2).

Acre (ac):


Square kilometer (km2):

If you want to reverse convert, use Square kilometer → Acre. 1 km2 = 247.10540725936 ac. You can also explore the full Area converter page for more cross conversions.

Conversion formula

Acre to Square kilometer formula: value in km2 = value in ac × 0.004046856.

Square kilometer to Acre formula: value in ac = value in km2 × 247.10540725936.

How to convert Acre to Square kilometer

To convert Acre to Square kilometer, multiply the value in ac by 0.004046856. This gives the result in km2.

For example, 1 ac = 0.004046856 km2 and 10 ac = 0.04046856 km2.

What is Acre?

Acre (ac): A land and farm area measure, distinct from the hectare. 1 ac ≈ 4046.856 m².

What is Square kilometer?

Square kilometer (km²): The area of a square one kilometre on each side, used for cities, lakes and large land areas. 1 km² = 1000000 m².

FAQ

Acre → other Area units

• 1 acre → square meter = 4046.856 square meter
• 1 acre → square kilometer = 0.004046856 square kilometer
• 1 acre → hectare = 0.4046856 hectare
• 1 acre = 40468560 square centimeter
• 1 acre = 4046856000 square millimeter
• 1 acre → square mile = 0.0015624998371132 square mile
• 1 acre → square yard = 4839.9994948138 square yard
• 1 acre = 43559.995453324 square feet
• 1 acre = 6272639.3452787 square inch

Acre → Square kilometer Table

The table below shows common values from Acre to Square kilometer and the reverse direction for quick reference.

Square kilometer → Acre Table

Square kilometer → Acre

The reverse value is 1 km2 = 247.10540725936 ac.