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# Cm² to km² formula

Use the formula below to convert any value from cm² to km²:

square kilometers = square centimeters × 1.0E-10

To from square centimeters to square kilometer, you just need to multiply the value in square centimeters by 1.0E-10. (It is called the conversion factor)

## Using the formula (some examples):

Convert full cm² to square kilometers:
a cm² = 1 × 1.0E-10 = 1.0E-10 square kilometers.

Convert two cm² to square kilometers:
dois cm² = 2 × 1.0E-10 = 2.0E-10 square kilometers.

Convert five cm² to square kilometers:
5 square centimeters = 5 × 1.0E-10 = 5.0E-10 square kilometers.

## More Examples:

Convert ten cm² to square kilometers: 10 square centimeters = 10 × 1.0E-10 = 1.0E-9 square kilometers.

Convert twenty cm² to square kilometers: 20 square centimeters = 20 × 1.0E-10 = 2.0E-9 square kilometers.

Convert fifty cm² to square kilometers: 50 square centimeters = 50 × 1.0E-10 = 5.0E-9 square kilometers.

Convert a hundred cm² to square kilometers: 100 square centimeters = 100 × 1.0E-10 = 1.0E-8 square kilometers.

Convert a thousand cm² to square kilometers: 1000 square centimeters = 1000 × 1.0E-10 = 1.0E-7 square kilometers.

### All In One Unit Converter

Please, choose a physical quantity, two units, then type a value in any of the boxes above.