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Centimeters to Millimeters Converter

Quick answer: 1 cm = 10 mm. To convert centimeters to millimeters, multiply by 10.

cm
mm

Millimeters = Centimeters × 10

Swap: Millimeters to Centimeters

Centimeters to Millimeters conversion table

CentimetersMillimeters
1 cm10 mm
2 cm20 mm
5 cm50 mm
10 cm100 mm
25 cm250 mm
50 cm500 mm
100 cm1,000 mm

How to convert centimeters to millimeters

Millimeters = Centimeters × 10. For example, 2 cm = 20 mm. Type a value in either box above: the other one updates instantly, both ways.

What is a centimeter?

A centimeter (cm) is one hundredth of a meter; 2.54 cm make exactly one inch.

What is a millimeter?

A millimeter (mm) is one thousandth of a meter, the smallest mark on a metric ruler.

How do I convert centimeters to millimeters?

Use the formula Millimeters = Centimeters × 10. Type a value in the centimeters box and the result appears instantly.

How many millimeters are in 1 centimeter?

1 cm = 10 mm.

Is this converter free and private?

Yes. It is free, needs no sign-up, and the calculation runs in your browser: nothing is sent to a server.