How Many mm in a cm?

There are 10 millimeters in a centimeter. The prefix 'milli' means 1/1000 and 'centi' means 1/100.

How many mm in a cm? — see the answer and conversion table below.

Use the related converter below for custom values.

Formula

Answer: There are 10 millimeters in a centimeter. The prefix 'milli' means 1/1000 and 'centi' means 1/100.

Example

Question: How many mm in a cm? Answer: There are 10 millimeters in a centimeter. The prefix 'milli' means 1/1000 and 'centi' means 1/100.

How to Use

  1. Read the direct answer at the top of the page
  2. Check the conversion table for common values
  3. Use the related converter for custom values
  4. Browse the FAQ for common follow-up questions

Frequently Asked Questions

How many mm in 5 cm?

There are 50 mm in 5 cm (5 x 10).

How many mm in an inch?

There are 25.4 mm in 1 inch. This is an exact conversion.

Is 10 mm the same as 1 cm?

Yes, exactly. 1 centimeter = 10 millimeters by definition.

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Author: Calczy Editorial Team Reviewed by: Calczy Editorial Team Last updated: 2026-09-16

This page was reviewed for accuracy by the Calczy editorial team. Our editorial process follows our editorial policy to ensure reliable, up-to-date conversion tools and reference content.