Centimeter to Inch Converter
One Centimeter equals 0.3937007874 Inch (1 cm = 0.3937007874 in). Multiply a Centimeter value by 0.3937007874 to get the equivalent in Inch. Use the calculator above for instant results, or follow the formula, worked examples, and reference table below.
Formula
in = cm × 0.3937007874
Multiply the Centimeter value by 0.3937007874 to get the equivalent value in Inch.
Example Conversions
1 Centimeter (cm)
0.3937007874 Inch (in)
5 Centimeter (cm)
1.968503937 Inch (in)
10 Centimeter (cm)
3.937007874 Inch (in)
25 Centimeter (cm)
9.842519685 Inch (in)
100 Centimeter (cm)
39.37007874 Inch (in)
Conversion Table
| Centimeter (cm) | Inch (in) |
|---|---|
| 0.1 | 0.03937007874 |
| 0.5 | 0.1968503937 |
| 1 | 0.3937007874 |
| 2 | 0.7874015748 |
| 5 | 1.968503937 |
| 10 | 3.937007874 |
| 25 | 9.842519685 |
| 50 | 19.68503937 |
| 100 | 39.37007874 |
| 250 | 98.42519685 |
| 500 | 196.8503937 |
| 1000 | 393.7007874 |
How to Convert Manually
Use these steps to convert Centimeter values to Inch without the calculator.
- Write down the value in Centimeter (cm) that you want to convert.
- Multiply that value by 0.3937007874.
- For example, 10 Centimeter × 0.3937007874 = 3.937007874 Inch.
- Label the result as Inch (in).
Relative Size Comparison
This chart shows the visual difference in size between exactly one Centimeter and one Inch.
About Centimeter and Inch
The centimeter is one hundredth of a meter (10 millimeters). It is the everyday small-length unit in metric countries, used where inches would be used in the US. The inch is defined as exactly 25.4 millimeters, one twelfth of a foot. Screen sizes, pipe diameters, and US manufacturing drawings are specified in inches. One Centimeter equals 0.3937007874 Inch (1 cm = 0.3937007874 in). Centimeter to Inch conversion comes up most often in body height and clothing measurements and in furniture and interior dimensions, typically when figures need restating for screen and display sizes.
Precision and Rounding: Length factors between metric and imperial units are exact by definition (1 ft = 0.3048 m since 1959), so any rounding error comes from display precision, not the factor. Two or three decimal places suit carpentry and DIY work; machining and surveying often require four or more.
Conversion factors per NIST Special Publication 811 and the BIPM SI Brochure (9th edition) (reference).
Worked Example
15 Centimeter equals 5.905511811 Inch.
15 cm × 0.3937007874 = 5.905511811 in
FAQ
How do I convert Centimeter to Inch?
Multiply the Centimeter value by 0.3937007874 to get the equivalent value in Inch.
What is the formula for Centimeter to Inch?
The formula is in = cm × 0.3937007874.
How many Inch are in 1 Centimeter?
1 Centimeter equals 0.3937007874 Inch.
Can I convert Inch back to Centimeter?
Yes. 1 Inch equals 2.54 Centimeter, and the related converter can reverse the calculation.
What are common names for Centimeter and Inch?
Centimeter is shown as cm and may also be searched as centimetre, centimeters, centimetres. Inch is shown as in and may also be searched as inches, ".
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