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Inch to Centimeter
Convert inch (in) to centimeter (cm) — with the exact factor, a quick-reference table and a free converter that works offline.
1 in = 2.54 cm
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Conversion table
| Inch (in) | Centimeter (cm) |
|---|---|
| 1 in | 2.54 cm |
| 2 in | 5.08 cm |
| 5 in | 12.7 cm |
| 10 in | 25.4 cm |
| 20 in | 50.8 cm |
| 50 in | 127 cm |
| 100 in | 254 cm |
| 500 in | 1,270 cm |
How the conversion works
Both units measure length. One inch equals exactly 2.54 cm, so multiply by that factor to convert.
FAQ
How many centimeters in a inch?
1 in = 2.54 cm.
How do I convert inch to centimeter?
Multiply the inch value by 2.54. For example, 10 in × 2.54 = 25.4 cm.
Where does the factor come from?
The conversion factor is defined in NIST SP 811; both units are length units converted through meter.
Related conversions
Conversion factors: NIST SP 811. Computed by the same engine that powers the app.
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