Convert length between inches and centimeters (1 in = 2.54 cm).
Yes—1 inch = 2.54 cm exactly (international inch). Multiply inches by 2.54 for cm; divide cm by 2.54 for inches (six decimals). Non‑negative lengths only.
This calculator uses plain decimal numbers. If a result looks wrong, check whether you used a comma instead of a dot (or vice versa) where the field expects one.