Inch to Centimetre
Free instant inch to centimetre converter. 1 in = 2.54 cm.
Common Inch to Centimetre values
| Inch (in) | Centimetre (cm) |
|---|---|
| 1 | 2.54 |
| 5 | 12.7 |
| 10 | 25.4 |
| 25 | 63.5 |
| 50 | 127 |
| 100 | 254 |
| 500 | 1270 |
| 1000 | 2540 |
How does Inch to Centimetre conversion work?
Type a value in the Inch (in) field and the equivalent in Centimetre (cm) appears instantly to the right. The math uses the exact formula shown above — no rounding errors, no approximations beyond standard floating-point precision. Use the swap button to flip the units and see the inverse conversion.
Inch. One twelfth of a foot. About the width of a thumb. Standard for screen sizes, paper, and precision measurement in the US.
Centimetre. One hundredth of a metre. About the width of a child's fingernail. Common in everyday measurement worldwide.
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🎯 Accurate conversions
Conversion factors come from the official standard (NIST, BIPM, ISO definitions where applicable). Values are precise to standard floating-point limits.
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