How to convert inches to centimeters
To convert inches to centimeters, use the formula cm = in × 2.54. In other words, multiply the number of inches by 2.54 to get the equivalent in centimeters. For example, 5 in equals 12.7 cm.
Inches to CM Converter
Convert inches to centimeters instantly. 5 in = 12.7 cm.
1 in = 2.54 cm
| Inches (in) | CM (cm) |
|---|---|
| 1 in | 2.54 cm |
| 2 in | 5.08 cm |
| 3 in | 7.62 cm |
| 4 in | 10.16 cm |
| 5 in | 12.7 cm |
| 6 in | 15.24 cm |
| 7 in | 17.78 cm |
| 8 in | 20.32 cm |
| 9 in | 22.86 cm |
| 10 in | 25.4 cm |
| 15 in | 38.1 cm |
| 20 in | 50.8 cm |
| 25 in | 63.5 cm |
| 30 in | 76.2 cm |
| 40 in | 101.6 cm |
| 50 in | 127 cm |
| 75 in | 190.5 cm |
| 100 in | 254 cm |
| 250 in | 635 cm |
| 500 in | 1,270 cm |
| 1,000 in | 2,540 cm |
Inch and Centimeter
The inch (in) and the centimeter (cm) are both units of length. This page gives you an instant, exact conversion between them, a reference table for the most common values, and the underlying formula so you can check the maths yourself. All calculations run in your browser — nothing you type is sent anywhere.
Need to go the other way? Use the CM to Inches converter. For all units at once, try the full Length Converter.
Frequently Asked Questions
How do I convert inches to centimeters?
Use the formula cm = in × 2.54. For example, 5 in equals 12.7 cm. Just enter your value in the converter above to get an instant result.
What is 1 inch in centimeters?
1 in = 2.54 cm. You can multiply any number of inches by this figure to convert it, or use the calculator above for exact results.
How do I convert centimeters back to inches?
Use the reverse conversion: 1 cm = 0.3937008 in. Our CM to Inches converter does this for you.