Inches to Centimeters Converter

Convert inches to centimeters (in to cm) instantly, with the exact formula and a conversion table of common values.

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How to convert inches to centimeters

To convert inches to centimeters, multiply the value by 2.54.

cm = in × 2.54

Example: 10 in × 2.54 = 25.4 cm

1 in = 2.54 cm · 1 cm = 0.393701 in

Since 1959 the inch has been defined as exactly 2.54 centimeters, so these conversions are exact. Inches are used in everyday life mainly in the United States, and worldwide for screen sizes, wheels and pipes.

Inches to centimeters conversion table

Inches (in)Centimeters (cm)
1 in2.54 cm
2 in5.08 cm
3 in7.62 cm
4 in10.16 cm
5 in12.7 cm
6 in15.24 cm
7 in17.78 cm
8 in20.32 cm
9 in22.86 cm
10 in25.4 cm
11 in27.94 cm
12 in30.48 cm
15 in38.1 cm
20 in50.8 cm
24 in60.96 cm
27 in68.58 cm
30 in76.2 cm
32 in81.28 cm
36 in91.44 cm
40 in101.6 cm
43 in109.22 cm
50 in127 cm
55 in139.7 cm
65 in165.1 cm
75 in190.5 cm

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