How many centimeters in an inch?
There are 2.54 centimeters in one inch.
| in | cm |
|---|---|
| 0.25 | 0.635 |
| 0.333 | 0.847 |
| 0.5 | 1.27 |
| 0.667 | 1.693 |
| 0.75 | 1.905 |
| 1 | 2.54 |
| 2 | 5.08 |
| 3 | 7.62 |
| 4 | 10.16 |
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What to know
The inch is defined as exactly 2.54 cm.
Questions people ask
How many centimeters in an inch?
2.54 centimeters.
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.