Convert cm to mm Instantly - Easy Centimeter to Millimeter Conversion

Easily convert centimeters to millimeters in no time.

CM to MM Converter Tool
Enter a value to convert between centimeters and millimeters with bidirectional conversion (1 cm = 10 mm)
Note: This converter uses metric system standard (1 cm = 10 mm). Perfect for technical drawings, measurements, engineering calculations, and precision work.

Need a quick and accurate way to convert centimeters to millimeters or vice versa? Our cm ⇄ mm converter delivers instant results. Just enter the value, and get precise answers in seconds ideal for school, engineering, construction, or everyday use.

Why Users Love Our cm ⇄ mm Converter

  • Exact in design: Uses the correct conversion formula for accurate results.
  • Instant answers: Results update as you type or on one click.
  • Clear display: Shows both exact and rounded values with adjustable decimals.
  • Switch with two modes: Easily convert cm to mm and mm to cm.
  • Works anywhere: Mobile- and desktop-friendly for daily calculations.

How to Use Our Converter Cm to MM

  1. Enter the value in centimeters or millimeters.
  2. Select the conversion direction: cm to mm or mm to cm.
  3. View the instant result.
  4. Copy, share, or save the answer.

What is a Centimeter (cm)?

centimeter is a unit of length in the metric system, widely used for measuring small objects and distances. It is equivalent to one hundredth of a meter.

Key Facts About Centimeters:

  • Exact value: 1 cm = 10 mm.
  • Relationship to other units: 1 cm = 0.01 m.
  • Common abbreviation: cm.
  • Notation tips: Always written in lowercase letters (cm).

What is a Millimeter (mm)?

millimeter is also a metric unit of length, equal to 1/1000 of a meter. Usually, it is employed to measure tiny items like wires, screws, and precise tools.

Key Facts About Millimeters:

  • Exact value: 1 mm = 0.1 cm.
  • Relationship to other units: 1 mm = 0.001 m.
  • Common abbreviation: mm.
  • Notation tips: Written in lowercase letters (mm).

Centimeters to Millimeters Conversion Fromula

Formula:

Millimeters (mm) = Centimeters (cm) × 10

Centimeters to Millimeters Conversion Example

Example 1: Convert 5 cm to mm

  • Step 1: mm = cm × 10
  • Step 2: 5 × 10
  • Step 3: Result = 50 mm
     

Example 2: Convert 12.5 cm to mm

  • Step 1: mm = cm × 10
  • Step 2: 12.5 × 10
  • Step 3: Result = 125 mm

Example 3: Convert 0.7 cm to mm

  • Step 1: mm = cm × 10
  • Step 2: 0.7 × 10
  • Step 3: Result = 7 mm

Millimeters to Centimeters Conversion Formula

Formula:

Centimeters (cm) = Millimeters (mm) ÷ 10

Millimeters to Centimeters Conversion Example

Example 1: Convert 80 mm to cm

  • Step 1: cm = mm ÷ 10
  • Step 2: 80 ÷ 10
  • Step 3: Result = 8 cm

Example 2: Convert 350 mm to cm

  • Step 1: cm = mm ÷ 10
  • Step 2: 350 ÷ 10
  • Step 3: Result = 35 cm

Example 3: Convert 7 mm to cm

  • Step 1: cm = mm ÷ 10
  • Step 2: 7 ÷ 10
  • Step 3: Result = 0.7 cm

Applications of cm to mm Conversions

  • Construction & Carpentry: Measuring wood, tiles, and pipes.
  • Education: Solving math and physics problems.
  • Fashion & Sewing: Measuring fabric with precision.
  • Engineering: Designing machines and small components.

Quick Reference Table for cm ⇄ mm Conversion

Centimeters (cm)

Millimeters (mm)

1 cm

10 mm

5 cm

50 mm

10 cm

100 mm

25 cm

250 mm

50 cm

500 mm

Use our cm ⇄ mm converter at Digital Calculator for quick, reliable, and accurate results. Perfect for students, engineers, tailors, and anyone needing precise unit conversions.

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Published: 9/17/2025