CM to MM Converter

Enter centimeters to convert to millimeters.

Centimeters type here

Millimeters or here

Converted value

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Millimeters

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—1 Centimeters → Millimeters

—1 Millimeters → Centimeters

LiveTwo-way conversion

All units

Precision, factor & reference table

Display precision

1 Centimeters = 10 Millimeters

Centimeters	Millimeters
1	10
2	20
5	50
10	100
20	200
50	500
100	1000

Build custom table

Core conversion workflows

Start with a broad dimension converter or jump to the most common metric/imperial pairs. Specialist converters remain available from the full hub.

All 134 converters

Unit ConverterAll-in-one measurement conversion Length ConverterMetric and imperial length units Weight ConverterMass and weight units Temperature ConverterCelsius, Fahrenheit and Kelvin Inches → CMExact 2.54 conversion CM → InchesReverse exact length conversion KG → LBSKilograms to pounds LBS → KGPounds to kilograms °F → °CFahrenheit to Celsius °C → °FCelsius to Fahrenheit Miles → KMMiles to kilometers KM → MilesKilometers to miles

How to use this CM to MM Converter

Type a value in either Centimeters or Millimeters. The other field updates immediately, so you can work in either direction without a separate Convert step.

Conversion factor

1 Centimeters = 10 Millimeters. Display rounding changes only what is shown; the declared factor remains the calculation basis.