Centimeters to Inches Converter (cm to in)

Type a value in centimeters to see it in inches instantly.

1 centimeter (cm) = 0.393700787 inches (in)

1 inch (in) = 2.54 centimeters (cm)

30 cm = 11.81102362 in

Open in the full converter to compare with other length units.

How to convert centimeters to inches

Multiply the number of centimeters by 0.393700787, or divide by 2.54.

in = cm × 0.393700787  (or cm ÷ 2.54)

Example: 30 cm × 0.393700787 = 11.811 in

For body height, centimeters are usually converted to feet and inches: 170 cm is 66.93 inches, which is 5 ft 6.9 in. Divide the inch total by 12 for the feet, and keep the remainder as inches.

cm to in conversion table

Centimeters (cm)Inches (in)
1 cm0.393701 in
2 cm0.787402 in
2.54 cm1 in
3 cm1.1811 in
4 cm1.5748 in
5 cm1.9685 in
6 cm2.3622 in
7 cm2.75591 in
8 cm3.14961 in
9 cm3.54331 in
10 cm3.93701 in
12 cm4.72441 in
15 cm5.90551 in
20 cm7.87402 in
25 cm9.84252 in
30 cm11.811 in
40 cm15.748 in
50 cm19.685 in
60 cm23.622 in
75 cm29.5276 in
100 cm39.3701 in
150 cm59.0551 in
160 cm62.9921 in
170 cm66.9291 in
180 cm70.8661 in
190 cm74.8031 in

About the units

Centimeter (cm)

A centimeter (centimetre) is one hundredth of a meter. It is the everyday metric unit for body height, clothing sizes and small objects.

Inch (in)

Since 1959 the international inch has been defined as exactly 2.54 centimeters. It is used in the US and UK for screen sizes, tools, timber and many manufactured parts.

Frequently asked questions

How many inches are in 1 centimeter?

1 centimeter equals 0.393700787 inches.

How do I convert centimeters to inches?

Multiply the number of centimeters by 0.393700787, or divide by 2.54. For example, 30 cm × 0.393700787 = 11.811 in.

How many centimeters are in 1 inch?

1 inch equals 2.54 centimeters.

How tall is 170 cm in feet and inches?

170 cm is 66.93 inches, which is 5 feet 6.9 inches (about 5′7″).

How many cm make an inch?

Exactly 2.54 centimeters make one inch.

Related conversions

Background reading: Metric vs. Imperial.