Inches to Centimeters Converter
Convert inches to centimeters instantly. 1 in = 2.54 cm. Free two-way converter with the formula and a quick reference table.
How to convert inches to centimeters
centimeters = inches × 2.54
One inch equals 2.54 centimeters, so to convert inches to centimeters you multiply by 2.54. Going the other way, one centimeter is 0.393701 inches. Both units measure length, so the conversion is an exact ratio that never changes.
10 inches = 25.4 centimeters. Multiply your inch figure by the factor above (or just type it into the box) to convert any amount.
Need the other direction? centimeters to inches
inches to centimeters table
| inches (in) | centimeters (cm) |
|---|---|
| 1 | 2.54 |
| 2 | 5.08 |
| 3 | 7.62 |
| 5 | 12.7 |
| 10 | 25.4 |
| 20 | 50.8 |
| 25 | 63.5 |
| 50 | 127 |
| 100 | 254 |
| 250 | 635 |
| 500 | 1,270 |
| 1,000 | 2,540 |
Frequently asked questions
How many centimeters are in a inch?
One inch equals 2.54 centimeters. So to convert, multiply the number of inches by 2.54.
How do I convert inches to centimeters?
Multiply by 2.54, or simply enter the value in the converter above — it does the math instantly and works both ways.
Is this conversion exact?
Yes — both units measure the same quantity, so the ratio is fixed and this uses the standard internationally-agreed factor.