55 inches in cm
A 55-inch TV measures 139.7 cm diagonally (55 × 2.54). In 16:9 that is about 121.8 cm wide and 68.5 cm tall (48 × 27 inches), not counting the bezel and stand.
TV sizes near 55 inches in cm
| Inches | Diagonal (cm) | Width (cm) | Height (cm) |
|---|---|---|---|
| 32″ | 81.3 | 70.9 | 39.9 |
| 40″ | 101.6 | 88.6 | 49.8 |
| 43″ | 109.2 | 95.2 | 53.6 |
| 50″ | 127 | 110.8 | 62.3 |
| 55″ | 139.7 | 121.8 | 68.5 |
| 60″ | 152.4 | 132.9 | 74.8 |
| 65″ | 165.1 | 144 | 81 |
| 75″ | 190.5 | 166.1 | 93.4 |
| 85″ | 215.9 | 188.3 | 105.9 |
How it is calculated
Multiply the inches by 2.54: 55 × 2.54 = 139.7 cm. Width and height follow from the 16:9 shape: the diagonal splits into 0.872 of width and 0.491 of height. For other values, use the converter above.
What stand or space do you need?
For a 55-inch TV, choose a TV unit at least 135 cm wide: the screen takes up 121.8 cm, and the bezel and stand add a few centimeters. If you wall-mount it, allow for the bracket and cables.
How far should you sit?
As a rule of thumb, the ideal viewing distance for a 55-inch TV is 1.7 to 2.2 meters, or 1.2 to 1.6 times the diagonal. With 4K you can sit a little closer.
Frequently asked questions
How many cm is 55 inches?
55 inches is 139.7 cm, because 1 inch is exactly 2.54 cm.
What are the width and height of a 55-inch TV?
In 16:9, about 121.8 cm wide by 68.5 cm tall (48 × 27 inches), without the bezel.
Does the size include the bezel?
No. A TV’s inch size is the diagonal of the visible screen; the bezel and stand add a few more centimeters.
How far should I sit from a 55-inch TV?
Roughly 1.7 to 2.2 meters.
Other TV sizes
32 inches in cm · 43 inches in cm · 50 inches in cm · 65 inches in cm
Inches to cm converter · Inches to cm chart (with fractions) · All length converters