Length · in → cm
Inches to Centimetres
Enter any value below to convert inches to centimetres instantly.
To
1 in = 2.54 cm
Conversion formula
How to convert in to cm
cm = in × 2.54
Multiply the inches value by 2.54 to get centimetres. The converter keeps extra precision internally and rounds only the displayed answer.
Converting inches to centimetres is useful when comparing dimensions, travel distances, building measurements or product specifications written in different measurement systems.
Worked example
Convert 10 in10 in = 25.4 cm
Calculated with the published formula. No estimated exchange rates or hidden rounding.
Common inches to centimetres values
| Inches (in) | Centimetres (cm) |
|---|---|
| 1 in | 2.54 cm |
| 5 in | 12.7 cm |
| 10 in | 25.4 cm |
| 25 in | 63.5 cm |
| 50 in | 127 cm |
| 100 in | 254 cm |
Quick answer
How many centimetres are in one inche?
One inche equals 2.54 cm.