What is square centimetre?

A square centimetre is a metric unit of area equal to one ten-thousandth of a square metre. It is used in textiles, printing, medical surface measurements, and small-scale technical applications.

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.

Worked examples

1 square centimetre = 1.000000e-10 square kilometre

1 square kilometre = 1,000,000 square metre

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