Inches to centimeters
1 inch equals 2.54 centimeters. Multiply inches by 2.54 to get centimeters, or divide by 0.393701.
| Inches | Centimeters |
|---|---|
| 0.25 | 0.635 |
| 0.5 | 1.27 |
| 1 | 2.54 |
| 2 | 5.08 |
| 3 | 7.62 |
| 4 | 10.16 |
| 5 | 12.7 |
| 6 | 15.24 |
| 8 | 20.32 |
| 10 | 25.4 |
| 12 | 30.48 |
| 15 | 38.1 |
| 18 | 45.72 |
| 20 | 50.8 |
| 24 | 60.96 |
| 30 | 76.2 |
| 36 | 91.44 |
| 48 | 121.92 |
| 60 | 152.4 |
| 72 | 182.88 |
Unit converter
What to know
The inch has been defined as exactly 25.4 mm since the 1959 international yard and pound agreement, so every length conversion here is exact before rounding.
Questions people ask
How do I convert inches to centimeters?
Multiply by 2.54. For example, 10 in = 25.4 cm.
How many centimeters are in a inch?
2.54.
Related sizes
Sources and method
Imperial and metric values are converted with 1 in = 25.4 mm exactly and rounded only for display. Found a mistake? Report it and we will correct the page.