Centimeters to Inches Converter
Convert between centimeters and inches instantly. One inch equals exactly 2.54 centimeters.
Use this page for a fast bridge number or sanity check, then use the support content below or the converter hub when the decision needs more than a raw conversion.
The Conversion Formula
Inches = Centimeters ÷ 2.54
The reverse: Centimeters = Inches × 2.54. The 2.54 factor is exact by definition — one inch is defined as precisely 25.4 millimeters.
Quick Reference Table
| Centimeters | Inches |
|---|---|
| 1 | 0.394 |
| 2.54 | 1.000 |
| 5 | 1.969 |
| 10 | 3.937 |
| 30 | 11.811 |
| 100 | 39.370 |
When You Need This Conversion
Hardware dimensions, European product specs, and many online shopping listings use centimeters. If you are buying materials or fixtures from international suppliers, converting to inches helps you verify fit. Tile sizes, for example, are often listed as 30×30 cm or 60×60 cm, which translates to roughly 12×12 inches or 24×24 inches.