Centimeters to Millimeters Converter

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

10
Millimeter (mm)
Input Value
1 cm (Centimeter)
About the thickness of a credit card
1/100 of a meter. Common for body measurements.

How to Convert Centimeter to Millimeter

Simple formula with a worked example

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

mm = cm × 10

Example: Convert 5 cm to mm

5 cm = 50 mm

To convert back, use: cm = mm ÷ 10

Centimeter to Millimeter Conversion Table

Quick reference for common centimeter to millimeter conversions

Centimeter (cm)Millimeter (mm)
1 cm10 mm
2 cm20 mm
5 cm50 mm
10 cm100 mm
25 cm250 mm
50 cm500 mm
100 cm1,000 mm
250 cm2,500 mm
500 cm5,000 mm
1,000 cm10,000 mm

About Centimeter and Millimeter

Understanding these length units

Centimeter (cm)

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

Millimeter (mm)

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

When You Need This Conversion

  • precision crafts
  • medical measurements
  • jewelry sizing
  • paper thickness

Frequently Asked Questions

Common questions about converting centimeter to millimeter

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Last updated Mar 21, 2026