Converting between centimeters and millimeters is essential for accurate measurements in science, engineering, and everyday tasks. Easily convert cm to mm with our precise tools.

Key Conversion: 1 centimeter = 10 millimeters (exact)

Our cm to mm converter helps with:

  • Quick cm into mm calculations
  • Ruler and scale measurements
  • Metric system-based projects
  • Crafting and technical specifications

Centimeters to Millimeters Converter

Type any value in centimeters to see the millimeters equivalent (e.g., 1 cm to mm = 10 mm)

Centimeters to Millimeters Conversion Chart

Common cm to mm conversions:

Centimeters (cm)Millimeters (mm)Practical Example
110Thickness of a smartphone
550Length of a credit card
10100Standard pencil length
15150Small tablet width
30300School ruler length

Note: 1 centimeter = exactly 10 millimeters (metric standard)

How to Convert Centimeters to Millimeters Manually

Conversion Formula

1 centimeter = 10 millimeters

millimeters = centimeters × 10

This is a standard metric conversion used universally in science, education, and engineering.

Step-by-Step Example

1

Start with centimeters value

Example: Convert 7.2 centimeters to millimeters

2

Multiply by 10

7.2 × 10 = 72

3

Result in millimeters

7.2 cm = 72 mm

Quick Estimation Method

For fast cm to mm conversions without a calculator:

  • Just add a zero to the end (e.g., 6 cm → 60 mm)
  • Or mentally move the decimal one place to the right
  • Perfect for quick conversions in math or lab settings
6.5 cm to mm

6.5 centimeters is equal to 65 millimeters

1 centimeter is equal to 10 millimeters

1.5 centimeters is equal to 15 millimeter

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