1 Inch in cm

1 Inch in cm

Units of length ﹣ 1 Inch in cm

The screen size of modern devices is always given in inches. The screen size is always specified in inches for modern devices. This size defines the screen diagonal of a device. Instead of width times height, the screen diagonal measures the distance from one corner of the screen to the diagonally opposite corner. Outside the English-speaking world, meters and centimeters are used to measure distance. One inch corresponds to exactly 2.54 centimeters.

1 inch is 2.54 cm

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What is the screen area for a diagonal of 1 inch or 2.54 cm?

Mostly TV screens, computer screens and also other modern devices have a 16:9 format. The ratio of width to height is 16 to 9. With a screen diagonal of 1 inch or 2.54 centimeters and an aspect ratio of 16 to 9, the screen has a width of 2.2 centimeters and a height of 1.2 centimeters. Using this screen width and height, you can now calculate the screen area by multiplying both with each other. So the screen area is 2.2 cm × 1.2  cm = 2.8 cm².

How many cm is 1 inch?

1 inch is exactly 2.54 cm in the metric system.

Converter for all inch lengths

We have developed a converter that allows you to convert all common formats from inches to cm . In this calculator, we have preset your value to 1 inch (equivalent to 2.54 cm) by default.

1 Inch in Different Notations

Different spellings and abbreviations have become common for "inch." The following variants are known to us:

  • 1″ in cm = 2.54 cm (centimeter)
  • 1 in. in cm = 2.54 cm (centimeter)
  • 1 inch in cm = 2.54 cm (centimeter)

Inch Conversion Formula

Admittedly, the conversion from inches to cm is not particularly complicated. If you multiply the 1 inch by the factor 2.54, you get the value in cm:

Length in cm = Length in inches × 2.54

In the concrete case:

2.54 cm = 1 inch × 2.54

Source information

As source for the information in the 'Units of length' category, we have used in particular:

Last update on November 29, 2022

The pages of the 'Units of length' category were last editorially reviewed by Stefan Banse on November 29, 2022. They all correspond to the current status.

Previous changes on October 21, 2021

  • November 5, 2020: Publication of the Length converter
  • Editorial revision of all texts in this category