Acre To Square Kilometer Conversion Chart

Acre (ac) Square Kilometer (km2)
1 ac0.004048582995951417 km2
10 ac0.04048582995951417 km2
20 ac0.08097165991902834 km2
50 ac0.20242914979757085 km2
100 ac0.4048582995951417 km2
500 ac2.0242914979757085 km2
1000 ac4.048582995951417 km2
2000 ac8.097165991902834 km2
5000 ac20.242914979757085 km2

Convert from acre to square kilometer formula

Total square kilometer =
Total acre

For example, if you want to convert 500 acre to square kilometer then,

= 2.0242914979757085 km2

Convert from square kilometer to acre formula

Total acre = Total square kilometer x 247

2.0242914979757085 km2 = 2.0242914979757085 x 247 = 500 ac


General Information

Unit systemUS customary units and the British imperial systems
Unit ofArea
Symbolacre or ac

The acre is a unit of land area used in the imperial and US customary systems. It is traditionally defined as the area of one chain by one furlong (66 by 660 feet), which is exactly equal to 10 square chains, ​1⁄640 of a square mile, or 43,560 square feet, and approximately 4,047 m2, or about 40% of a hectare. Based upon the International yard and pound agreement of 1959, an acre may be declared as exactly 4,046.8564224 square metres. One recognised symbol for the acre is ac,but the word "acre" is also used as the symbol.

Square Kilometer

A square kilometer (symbol: km2) is based on the SI unit of measurement of area, the square meter. It is the area inside a square that has each side equal to 1 kilometer (1000 meters).