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Millimeter to Centimeter

Convert Millimeter to Centimeter and get the exact value instantly.

About this conversion

To convert Millimeter to Centimeter, multiply the number of Millimeter by 0.1.

Length units straddle the metric and imperial systems, so everyday jobs (measuring a room, reading a map, or following a recipe from another country) often need a quick conversion between meters, feet, miles and inches.

Conversion table

Millimeter (mm)Centimeter (cm)
1 mm0.1 cm
2 mm0.2 cm
5 mm0.5 cm
10 mm1 cm
100 mm10 cm

How to use this converter

  1. Enter your Millimeter value

    Type any number into the Millimeter field. It starts at 1 so you can read the rate straight away.

  2. Read the Centimeter result

    The amount in Centimeter updates as you type, so there is no button to press and nothing to wait for.

  3. Swap or keep exploring

    Use the swap control to flip the direction, or pick a related conversion from the list below.

Frequently asked

How many Centimeter are in one Millimeter?
One Millimeter equals 0.1 cm. Enter any amount above to get an exact figure for your own value.
Is this converter accurate?
Yes. It uses the exact international definition of each unit and computes on your device, so the only rounding is for display.
Do you upload the numbers I enter?
No. The Millimeter to Centimeter conversion runs entirely in your browser tab, and nothing you type is sent to a server.
Does it work on my phone?
Yes. It runs in any modern mobile browser and keeps working offline once the page has loaded.

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