How to convert inches to centimeters
Common for screens, products, clothing, and customary-to-metric dimensions. Multiply the inch value by the exact unit relationship shown below. CalcOS evaluates through the meter so this route and its inverse always share one certified definition.
cm = in × 2.54
Worked example: 10 in = 25.4 cm.
inches to centimeters conversion table
| inch (in) | centimeter (cm) |
|---|---|
| 1 | 2.54 |
| 5 | 12.7 |
| 10 | 25.4 |
| 25 | 63.5 |
| 50 | 127 |
| 100 | 254 |
Definitions and precision
The international inch, foot, yard, and mile are exact consequences of 1 inch = 0.0254 meter. Metric prefixes are exact powers of ten. Results may still display rounded decimals because many inverse relationships are repeating numbers.
Related length conversions
Sources: BIPM SI Brochure and NIST Handbook 44, Appendix C. Also see the complete Length Converter guide.