Convert inches (in) to centimeters (cm) instantly. Our calculator uses the exact conversion factor: 1 inch = 2.54 centimeters.
To convert inches to centimeters, multiply the length in inches by 2.54. For quick estimates:
Standard ruler increment
1 in = 2.54 cm
One foot
12 in = 30.48 cm
One yard
36 in = 91.44 cm
Standard smartphone width
3.5 in = 8.89 cm
Width of letter-size paper
8.5 in = 21.59 cm
The inch is the standard unit of length in the US and some other countries. One inch equals exactly 2.54 centimeters. Used for:
The centimeter is a metric unit equal to one hundredth of a meter. Common uses include:
| Inches (in) | Centimeters (cm) |
|---|---|
| 1 | 2.54 |
| 2 | 5.08 |
| 3 | 7.62 |
| 4 | 10.16 |
| 5 | 12.7 |
| 6 | 15.24 |
| 7 | 17.78 |
| 8 | 20.32 |
| 9 | 22.86 |
| 10 | 25.4 |