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Centimeter to Inch Converter

VerifiedLast reviewed: Mar 21, 2026Fact checked by: Adil BaltiFactor: 1 in = 2.54 cmSource: BIPM
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What is Centimeter to Inch Converter

A centimeter to inch converter is a digital utility designed to convert length measurements from centimeters (cm) to inches (in). This tool performs bi-directional calculations based on the official conversion factor where 1 inch equals 2.54 centimeters.

Definitions of Centimeter and Inch

What is Centimeter?

A centimeter is a unit of length in the metric system equal to one-hundredth of a meter. It is frequently used in everyday measurements and small-scale dimensions.

What is Inch?

An inch is a unit of length in the US customary and imperial systems equal to one-twelfth of a foot. It is frequently used for screen sizes and small dimensions.

Centimeter to Inch Formula

in=cm2.54\text{in} = \frac{\text{cm}}{2.54}

Conversion explanation: Divide the value in Centimeter by 2.54 to get the equivalent value in Inch.

How to Convert Centimeter to Inch

To convert a value from centimeters to inches, multiply the value by the conversion multiplier:

inches = Centimeters × 0.3937007874

Step-by-Step Example

Converting a 15 cm smartphone screen height into inches:

  • Identify the multiplier factor: 0.3937007874.
  • Multiply 15 by the factor: 15 × 0.3937007874 = 5.905511811.
  • Result: 15 centimeters is equal to 5.905511811 inches.

Centimeter to Inch Conversion Table

Centimeter [cm]Inch [in]
0.01 cm0.0039370079 in
0.1 cm0.0393700787 in
1 cm0.3937007874 in
2 cm0.7874015748 in
3 cm1.1811023622 in
4 cm1.5748031496 in
5 cm1.968503937 in
6 cm2.3622047244 in
7 cm2.7559055118 in
8 cm3.1496062992 in
9 cm3.5433070866 in
10 cm3.937007874 in
20 cm7.874015748 in
30 cm11.811023622 in
50 cm19.6850393701 in
100 cm39.3700787402 in
500 cm196.8503937008 in
1000 cm393.7007874016 in

FAQs

How many inches are in 1 cm?

There are 0.3937007874 inches in 1 centimeter.

How do I convert cm to inches manually?

Divide the centimeter value by 2.54 or multiply it by 0.3937007874.

Is 1 inch exactly 2.54 cm?

Yes. The international definition of an inch is exactly 2.54 centimeters.

How many inches is 30 cm?

30 cm equals 11.811 inches.

How many inches is 50 cm?

50 cm equals 19.685 inches.

How many inches is 100 cm?

100 cm equals 39.3701 inches.

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About Unit Converters

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