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Centimeters to millimeters Converter
Enter the centimeters, then press Calculate. The millimeters stay hidden while you type.
Press Calculate after the entries are in.
What this length conversion is for
Use this page when a measurement is written in centimeters and the next step needs millimeters. The number stays blank until you press Calculate, so a half-typed entry is never mistaken for the answer.
The factor
Multiply by the factor: 1 centimeter = 10 millimeters.
A worked example
10 centimeters are 100 millimeters. Multiply the result by the reverse factor if you want the original number back.
How to check it
Write the factor down, do the multiply on paper, and compare it with the result card. If you change a sentence on this page, edit the HTML file and reload. The form and this note live in the same file.
The reverse conversion is millimeters to centimeters. A nearby pair in the same units is centimeters to kilometers. When the converted number is the input to a job, continue with the feet and inches calculator.