How many inches are in 1 centimeter?

One centimeter equals approximately 0.3937 inches. The exact conversion is: 1 cm = 1/2.54 inches. For rough estimation, divide centimeters by 2.5.

How do I convert centimeters to inches?

Divide the number of centimeters by 2.54, or multiply by 0.3937. For example, 30 cm ÷ 2.54 = 11.81 inches. For quick mental math, divide by 2.5 for an approximate result.

How tall is 170 cm in feet and inches?

170 cm equals about 66.93 inches, which is 5 feet 6.93 inches - commonly rounded to 5'7". Divide cm by 2.54 to get inches, then divide by 12 for feet.

Centimeters to Inches (cm to in) Converter

1 cm = 0.3937 in

1 Centimeter equals 0.3937 Inches (1 cm = 0.3937 in). Convert Centimeters to Inches with formula, table, and examples.

One centimeter equals approximately 0.3937 inches. Converting centimeters to inches is essential for interpreting European product dimensions, clothing sizes, and medical measurements when working in an imperial measurement context.

How to Convert Centimeters to Inches

in = cm × 0.3937007874

Multiply the value in Centimeters by 0.3937007874

Take your value in Centimeters
Multiply by 0.3937007874
Read the result in Inches

Common Centimeters to Inches Conversions

Centimeters (cm)	Inches (in)	Status
1 cm	0.3937 in
2 cm	0.7874 in
2.54 cm	1 in
5 cm	1.9685 in
10 cm	3.937 in
15 cm	5.9055 in
20 cm	7.874 in
25 cm	9.8425 in
30 cm	11.811 in
50 cm	19.685 in
100 cm	39.3701 in
150 cm	59.0551 in
180 cm	70.8661 in
200 cm	78.7402 in
500 cm	196.8504 in
1,000 cm	393.7008 in

Good to Know About Centimeters to Inches Conversion

European body measurements are always in centimeters. When shopping online from European retailers, size charts list chest, waist, and hip measurements in cm. American shoppers must convert to inches to find their size.

Centimeters to Inches: What You Need to Know

European clothing labels list measurements in centimeters - a 76 cm waist is about 30 inches. Medical imaging reports may give tumor sizes in centimeters that need conversion for American patients. A standard A4 sheet of paper (21.0 × 29.7 cm) is roughly 8.27 × 11.69 inches, slightly taller and narrower than US Letter size.

What is a Centimeter? cm

A metric unit of length equal to one hundredth of a meter. Commonly used for body height, clothing sizes, and everyday measurements.

Metric body height clothing furniture

Learn more about Centimeter →

What is a Inch? in

An imperial unit of length equal to exactly 2.54 centimeters. Commonly used in the US and UK for screen sizes, body measurements, and construction.

Imperial Us-customary screen sizes construction (US) body measurements

Learn more about Inch →

Going the other way? Use our Inches to Centimeters converter.

Centimeters to Inches FAQ

One centimeter equals approximately 0.3937 inches. The exact conversion is: 1 cm = 1/2.54 inches. For rough estimation, divide centimeters by 2.5.
Divide the number of centimeters by 2.54, or multiply by 0.3937. For example, 30 cm ÷ 2.54 = 11.81 inches. For quick mental math, divide by 2.5 for an approximate result.
170 cm equals about 66.93 inches, which is 5 feet 6.93 inches - commonly rounded to 5'7". Divide cm by 2.54 to get inches, then divide by 12 for feet.

Non-Frequently Asked Questions About Centimeters to Inches

Questions nobody should ask - but someone did.

That is about 6.1 inches diagonally, which is a standard modern smartphone. But phone manufacturers always advertise in inches because 6.1 sounds bigger than 15.5. Marketing prefers the unit that makes the number sound more impressive.
You can, but it might backfire. Writing 175 cm sounds less impressive than 5 foot 9 to an American audience. Conversely, a European reading 5 foot 9 might think you are describing a very short alien with 9 feet.