DistanceInches to centimeters
1 inch = 2.54 centimeters.
1 inch = 2.54 centimeters. Multiply by 2.54.
Common amounts
| in | cm |
|---|---|
| 1 in | 2.54 cm |
| 5 in | 12.7 cm |
| 10 in | 25.4 cm |
| 25 in | 63.5 cm |
| 50 in | 127 cm |
| 100 in | 254 cm |
How it works
How to convert inches to centimeters
cm = in × 2.54.
Worked examples: 10 inches = 25.4 centimeters; 100 inches = 254 centimeters.
About inches and centimeters
Since 1959 the international inch is defined as exactly 2.54 cm. A centimeter is one hundredth of a meter.
When you'd convert inches to centimeters
Screen diagonals, waist sizes and paper: an iPhone with a 6.3-inch screen measures 16 cm across the diagonal.
Common mistake: rounding too early. Keep the full factor and round only the final answer.
To go the other way, use the centimeters to inches converter.
The converter on this page works out the answer in your browser as you type, and shows the factor so you can check it by hand.
Questions
How do I convert inches to centimeters?
1 inch = 2.54 centimeters. Multiply by 2.54.
What does the Converter : Units app add?
The same conversion, plus history, a constants library, and the rest of the unit categories on the phone.