Convert acres to square kilometers (ac to sq km) and square kilometers to acres (sq km to ac) Online Conversion Calculator - Converter

This calculator-converter provides conversion of acres to square kilometers (ac to sq km) and backwards square kilometers to acres (sq km to ac).

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Conversion Chart / Table
 acre to square kilometers Conversion Chart / Table: square kilometers to acres Conversion Chart / Table: ac = sq km 1.0 = 0.00405 2.0 = 0.00809 3.0 = 0.01214 4.0 = 0.01619 5.0 = 0.02023 6.0 = 0.02428 7.0 = 0.02833 8.0 = 0.03237 9.0 = 0.03642 acre = square kilometers 10 = 0.04047 20 = 0.08094 30 = 0.12141 40 = 0.16187 50 = 0.20234 100 = 0.40469 500 = 2.02343 1000 = 4.04686 5000 = 20.23428 sq km = ac 1.0 = 247.10538 2.0 = 494.21076 3.0 = 741.31614 4.0 = 988.42152 5.0 = 1235.5269 6.0 = 1482.63229 7.0 = 1729.73767 8.0 = 1976.84305 9.0 = 2223.94843 square kilometers = acres 10 = 2471.05381 20 = 4942.10762 30 = 7413.16143 40 = 9884.21524 50 = 12355.26905 100 = 24710.5381 500 = 123552.6905 1000 = 247105.381 5000 = 1235526.905

The acre (symbol or abbreviation: ac. or a., plural form: acres) is a unit of area used in several different systems, including Imperial units, English units and United States customary units. One acre =0.00404685642 square kilometers = 43560 square feet = 0.404685642 hectares = 4840 square yards = 4046.85642 square meters = 6272640 square inches.