cm to inches

cm to inches – Easily convert centimeters to inches with our free calculator. Includes formula, definitions, and a quick reference conversion table.

Centimeters to Inches Converter
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About the CM to Inches Conversion

Converting centimeters to inches is a common requirement in various fields, including construction, tailoring, and screen sizing. Our tool above allows you to make this conversion instantly. Below you will find the logic behind the calculation and a quick reference table.

Definitions

What is a Centimeter (cm)?

A centimeter (symbol: cm) is a unit of length in the metric system. It is equal to one-hundredth of a meter. It is the standard unit of measurement for length in most countries worldwide.

What is an Inch (in)?

An inch (symbol: in or ) is a unit of length in the British imperial and the United States customary systems of measurement. Historically, an inch was defined as the width of a man’s thumb, but it is now standardized specifically in relation to the metric system.


How to Convert Centimeters to Inches

The relationship between the centimeter and the inch is fixed.
1 Inch = 2.54 Centimeters.

To convert centimeters to inches, you divide the length value by 2.54.

Formula:
Inches = Centimeters ÷ 2.54

Example Calculation:

  • Let’s say you have a length of 50 cm.
  • Calculation: 50 ÷ 2.54 = 19.685
  • Result: 50 cm is approximately 19.685 inches.

Quick Conversion Table: CM to Inches

Use this table for quick look-ups of common lengths.

Centimeters (cm)Inches (in)
1 cm0.3937 in
5 cm1.9685 in
10 cm3.9370 in
20 cm7.8740 in
30 cm11.8110 in
50 cm19.6850 in
100 cm (1 meter)39.3701 in