Inches to centimeters.
One inch equals exactly 2.54 centimeters. Use this converter for screen sizes, body measurements, and everyday imperial-to-metric conversions.
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All units.
Conversion formula.
1 in = 2.54 cm
To convert inch to centimeter, multiply the value in in by 2.54.
Quick examples
- 1 in = 2.54 cm
- 5 in = 12.7 cm
- 10 in = 25.4 cm
- 100 in = 254 cm
Inch to Centimeter conversion table.
| Inch (in) | Centimeter (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 |
| 11 | 27.94 |
| 12 | 30.48 |
| 13 | 33.02 |
| 14 | 35.56 |
| 15 | 38.1 |
| 16 | 40.64 |
| 17 | 43.18 |
| 18 | 45.72 |
| 19 | 48.26 |
| 20 | 50.8 |
Related conversions.
Frequently asked questions.
How many centimeters are in an inch?
There are exactly 2.54 centimeters in one inch. This is an internationally agreed-upon conversion factor.
How do I convert inches to cm?
Multiply the number of inches by 2.54. For example, 10 inches × 2.54 = 25.4 cm.
Is 1 inch exactly 2.54 cm?
Yes. Since 1959, the inch has been defined as exactly 25.4 millimeters, which equals 2.54 centimeters.