What is square kilometre?

A square kilometre is a metric unit of area equal to one million square metres. It is used for measuring large geographic areas such as countries, forests, lakes, and urban zones.

What is acre?

An acre is a unit of area in imperial and US customary systems equal to 43,560 square feet. It is the standard unit for measuring agricultural land, property lots, and parks in the United States and United Kingdom.

Worked examples

1 square kilometre = 247.10538147 acre

1 acre = 4,046.8564224 square metre

More Area conversions

• Convert square kilometre to square metre
• Convert square kilometre to square foot
• Convert square kilometre to square mile
• Convert square kilometre to acre
• Convert square kilometre to hectare
• Convert square kilometre to square centimetre
• Convert square kilometre to square inch
• Convert square kilometre to square yard
• Convert square kilometre to are