Convert inch to cm

Swap conversion: cm to inch

Facts and Curiosities

The Inch is still today, widely used by anglophone nations. The inch originated in the ancient age, where the Romans measured some lengths with the own thumb. As this measure was not exact and depended on the size of the thumb of the average person, it ended up creating immense problems. For this reason, from 1959, a correspondence between the inch and the meter was established. Even in countries that have adopted the metric system, television, computer monitors, smartphones and tablets are still often expressed with diagonal measurements in inches.


The Centimeter corresponds to one hundredth part of the meter. The length is a magnitude created to measure the distance between two points, the units most used to measure the length are kilometer, hectometer, decameter, meter, decimeter, centimeter and millimeter. If you do not have a ruler at hand and you need to estimate the length of something in centimeters, use a pencil or pen, for example. Because the thickness of these objects is usually one centimeter.

Math Formula

`cm=text(in)/0.3937`

Conversion Examples

inch to cm inch to cm
1 in = 2,5400 cm 15 in = 38,1001 cm
2 in = 5,0800 cm 20 in = 50,8001 cm
3 in = 7,6200 cm 25 in = 63,5001 cm
4 in = 10,1600 cm 30 in = 76,2002 cm
5 in = 12,7000 cm 35 in = 88,9002 cm
6 in = 15,2400 cm 40 in = 101,6002 cm
7 in = 17,7800 cm 50 in = 127,0003 cm
8 in = 20,3200 cm 60 in = 152,4003 cm
9 in = 22,8600 cm 70 in = 177,8004 cm
10 in = 25,4001 cm 80 in = 203,2004 cm
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