Centimetre to Inch
Free instant centimetre to inch converter. 1 cm = 0.393701 in.
Common Centimetre to Inch values
| Centimetre (cm) | Inch (in) |
|---|---|
| 1 | 0.393701 |
| 5 | 1.9685 |
| 10 | 3.93701 |
| 25 | 9.84252 |
| 50 | 19.685 |
| 100 | 39.3701 |
| 500 | 196.85 |
| 1000 | 393.701 |
How does Centimetre to Inch conversion work?
Type a value in the Centimetre (cm) field and the equivalent in Inch (in) 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.
Centimetre. One hundredth of a metre. About the width of a child's fingernail. Common in everyday measurement worldwide.
Inch. One twelfth of a foot. About the width of a thumb. Standard for screen sizes, paper, and precision measurement in the US.
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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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