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Unit Converter

0.1

1 Millimetre (mm) = 0.1 Centimetre (cm)

▸About this tool

Convert between units of length, weight, temperature, volume, area, speed, time, and data: instantly.

▸Privacy and details

Your files never leave your device.

Fast browser processing with no account required.

Optimized for desktop and mobile with accessible controls.

▸How to use
  1. Select a category tab: Length, Weight, Temperature, Volume, Area, Speed, Time, or Data.
  2. Choose the source unit and target unit from the dropdowns.
  3. Enter a value: the result updates instantly.
  4. Use the swap button (⇄) to reverse the conversion direction.
▸Why use this tool

Whether you are converting kilometres to miles, Celsius to Fahrenheit, or gigabytes to terabytes, this tool covers every common unit in 8 categories. All calculations happen instantly in your browser with no server round-trips.