Formula
The inch-to-centimeter factor is the definition of the international inch:
centimeters = inches × 2.54
Other length pairs are on the length converter. This page keeps one direction so the factor stays visible.
Assumptions
- The value can be zero and cannot be negative.
- The result is shown with up to six decimal places.
Worked example
1 inch equals 2.54 centimeters.
Input definitions
- Inches
- International inches, not a screen diagonal by itself.
Limitations
Display sizes in inches are a diagonal. This page converts the length only.
Questions
Is 2.54 exact?
Yes. The international inch is defined as 2.54 centimeters.
Can I enter a fraction of an inch?
Enter it as a decimal, such as 0.5 for half an inch.