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Calculators » Conversion » Length Converter » Millimeter and Kilometer

Millimeters to kilometers converter

Our online tools will provide quick answers to your calculation and conversion needs. On this page, you can convert length values from millimeters to kilometers and kilometers to millimeters.

Enter the value you want to convert, and leave the target field blank.

Result window

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Conversion formula

1 kilometer = 1000000 millimeters
1 millimeter = 1.0E-6 kilometers

The symbols used are mm for millimeter and km for kilometer.

Sample conversion

Convert 9 millimeters to kilometers

9 mm = 9*1.0E-6 km = 9.0E-6 km

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