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Common Converters

Area Converter

Result

... Square kilometer = ... Acre

Find the units to convert

Square kilometer to Acre Converter

Use this page to convert square kilometer values into acre, with background details, formulas, a worked example, and a quick conversion table.

Conversion formula

1 sq km = 247.105381467165 ac

1 ac = 0.0040468564224 sq km

Example: 12 sq km = 2,965.26457760598 ac

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Square kilometer

A square kilometer equals one million square meters.

History: It is the large-area metric extension of the square meter.

Current use: Square kilometers are used for land area, maps, and regional statistics.

Also written as sq km, km2, sqkm, square kilometers, square kilometre, square kilometres.

Acre

An acre equals 43,560 square feet.

History: The acre originates from old agricultural land measures.

Current use: Acres are used for plots of land, farms, and zoning.

Also written as ac, acres.

Square kilometer to Acre table

Square kilometer [sq km]Acre [ac]
0.01 sq km2.47105381467165 ac
0.1 sq km24.7105381467165 ac
1 sq km247.105381467165 ac
2 sq km494.210762934331 ac
5 sq km1,235.52690733583 ac
10 sq km2,471.05381467165 ac
20 sq km4,942.10762934331 ac
50 sq km12,355.2690733583 ac
100 sq km24,710.5381467165 ac

Frequently asked questions

  • How many Acre (ac) are in one Square kilometer (sq km)?

    One Square kilometer equals 247.105381467165 Acre.

  • How do you convert Square kilometer to Acre?

    Multiply the Square kilometer value by 247.105381467165 to get the result in Acre.

  • How do you convert Acre back to Square kilometer?

    Multiply the Acre value by 0.0040468564224 to get back to Square kilometer.

  • What is 12 Square kilometer in Acre?

    12 Square kilometer equals 2,965.26457760598 Acre.