Convert UnitsFast, accurate unit conversions
Length

Inches to cm Converter

Convert inch to centimeter instantly.

Formulacm = in × 2.54
Sources and methodology1 in = 2.54 cm — exactly. exactly

Quick conversion table

inchcentimeter
1 in2.54 cm
2 in5.08 cm
5 in12.7 cm
10 in25.4 cm
20 in50.8 cm
25 in63.5 cm
50 in127 cm
100 in254 cm

Unit definitions

inch (in)

inch is a unit of Length. In this converter it is defined against the category base unit as 1 in = 0.0254 m.

centimeter (cm)

centimeter is a unit of Length. In this converter it is defined against the category base unit as 1 cm = 0.01 m.

Example

10 in = 25.4 cm

Sources and methodology

Definitions: BIPM SI Brochure and NIST conversion guidance. Methodology.