Inches to Centimetres Converter
Convert inches to centimetres instantly with our free online converter. Type any inch value and see the exact centimetre equivalent update as you type. Works in both directions.
Formula:[value] in × 2.54 = [result] cm
How to convert Inches to Centimetres
in × 2.54 = cm
For example: 5 in × 2.54 = 12.7 cm
↑ Use the converter aboveCommon Inches to Centimetres conversions
| Inches (in) | Centimetres (cm) |
|---|---|
| 1 in | 2.54 cm |
| 2 in | 5.08 cm |
| 3 in | 7.62 cm |
| 4 in | 10.16 cm |
| 5 in | 12.7 cm |
| 6 in | 15.24 cm |
| 8 in | 20.32 cm |
| 10 in | 25.4 cm |
| 12 in | 30.48 cm |
| 18 in | 45.72 cm |
| 24 in | 60.96 cm |
| 36 in | 91.44 cm |
| 60 in | 152.4 cm |
| 72 in | 182.9 cm |
About this conversion
Inches to centimetres is a conversion used constantly for screen sizes, clothing dimensions, and international product specifications. The relationship is exact: 1 inch = 2.54 cm, established by the International Yard and Pound Agreement of 1959. Practically, this means every inch measurement has a perfectly precise centimetre equivalent. TV and monitor sizes are universally quoted in inches — a 65-inch screen is 165.1 cm diagonally. Clothing sizes, particularly waist and chest measurements, often need converting between the imperial inches favoured by US brands and the centimetres used in European sizing. Ring sizes, tyre widths, and plumbing pipe diameters are other everyday contexts where this conversion appears.