Millimeters to Centimeters Converter

Convert millimeters to centimeters instantly. Free mm to cm converter with quick reference table and formula. 10 mm = 1 cm exactly.

0.1
Centimeter (cm)
Input Value
1 mm (Millimeter)
About the width of your fingernail
1/1000 of a meter. Used for precision measurements.

How to Convert Millimeter to Centimeter

Simple formula with a worked example

To convert millimeter (mm) to centimeter (cm), use this formula:

cm = mm ÷ 10

Example: Convert 250 mm to cm

250 mm = 25 cm

To convert back, use: mm = cm × 10

Millimeter to Centimeter Conversion Table

Quick reference for common millimeter to centimeter conversions

Millimeter (mm)Centimeter (cm)
1 mm0.1 cm
2 mm0.2 cm
5 mm0.5 cm
10 mm1 cm
25 mm2.5 cm
50 mm5 cm
100 mm10 cm
250 mm25 cm
500 mm50 cm
1,000 mm100 cm

About Millimeter and Centimeter

Understanding these length units

Millimeter (mm)

1/1000 of a meter. Used for precision measurements.

Centimeter (cm)

1/100 of a meter. Common for body measurements.

When You Need This Conversion

  • rainfall measurement
  • screw and bolt sizes
  • dental measurements
  • optics

Frequently Asked Questions

Common questions about converting millimeter to centimeter

Embed Millimeters to Centimeters Converter

Add this calculator to your website or blog for free.

Last updated Mar 21, 2026