convertimate Screen size

Diagonal inches to width in cm

Type a value in in to get it in width cm instantly.

121.8width cm

That's about the same as a living room TV. That is about 121.8 cm wide and 68.49 cm tall.

What it means

How big is that screen?

Diagonals are of the picture itself. Bezels and stands add to the space a screen actually needs.

The math

How to convert in to width cm

For a screen of ratio w:h, width = diagonal × w ÷ √(w² + h²). A 16:9 screen is 0.87 diagonals wide and 0.49 tall.

Example: 55 in = 121.759 width cm.

Widths and heights below assume 16:9 (TV, monitors).

Every unit

Your screen in every measurement

Tables

in to width cm conversion table

in to width cm conversion table
inwidth cm
13 in28.7794 width cm
15 in33.207 width cm
17 in37.6346 width cm
21 in46.4898 width cm
24 in53.1312 width cm
27 in59.7727 width cm
32 in70.8417 width cm
40 in88.5521 width cm
43 in95.1935 width cm
50 in110.69 width cm
55 in121.759 width cm
65 in143.897 width cm
75 in166.035 width cm
85 in188.173 width cm
width cm to in conversion table
width cm to in conversion table
width cmin
13 width cm5.87225 in
15 width cm6.77567 in
17 width cm7.6791 in
21 width cm9.48594 in
24 width cm10.8411 in
27 width cm12.1962 in
32 width cm14.4548 in
40 width cm18.0685 in
43 width cm19.4236 in
50 width cm22.5856 in
55 width cm24.8441 in
65 width cm29.3613 in
75 width cm33.8784 in
85 width cm38.3955 in

Quick answers

Quick answers

How many width cm is 1 in?
1 in is 2.2138 width cm.
How many width cm is 10 in?
10 in is 22.138 width cm.
How many width cm is 55 in?
55 in is 121.759 width cm.

The units

About these units

Diagonal inches (in)

How screens are sold everywhere: the corner-to-corner measurement in inches.

Width in cm (width cm)

How much shelf or wall the picture itself takes up.

Learn more about screen size units

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