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Area

Square kilometers to Acres

Convert square kilometers (km²) to acres (ac). Type a value below to see the result update instantly. Reference table and formula included.

Calculator

km²
⇌
ac

1 km² = 247.11 ac

Square kilometers to Acres Conversion Table

Common values, ready to copy:

square kilometersacres
1 km²247.11 ac
2 km²494.21 ac
5 km²1235.53 ac
10 km²2471.05 ac
25 km²6177.63 ac
50 km²12355.26 ac
100 km²24710.52 ac
1,000 km²247105.16 ac
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Formula

acres = square kilometers × 2.47105163e+2

Area conversions are derived from length: 1 ft² = (0.3048 m)² = 0.092903 m². 1 acre = 4,046.86 m². 1 hectare = 10,000 m² exactly.

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