TV Size Converter
Convert TV diagonal size to width and height dimensions in inches and centimeters.
Supports 16:9 and 21:9 aspect ratios.
Enter the diagonal size — see width and height dimensions.
Screen Dimensions
TV size is measured diagonally across the screen.
For standard 16:9 TVs:
- Width = Diagonal x 0.8716
- Height = Diagonal x 0.4903
For ultrawide 21:9 screens:
- Width = Diagonal x 0.9097
- Height = Diagonal x 0.3899
Common TV sizes (16:9):
| Diagonal | Width (in) | Height (in) | Width (cm) | Height (cm) |
|---|---|---|---|---|
| 32" | 27.9 | 15.7 | 70.8 | 39.9 |
| 43" | 37.5 | 21.1 | 95.3 | 53.6 |
| 50" | 43.6 | 24.5 | 110.7 | 62.3 |
| 55" | 47.9 | 27.0 | 121.7 | 68.6 |
| 65" | 56.7 | 31.9 | 143.9 | 81.0 |
| 75" | 65.4 | 36.8 | 166.1 | 93.5 |
| 85" | 74.1 | 41.7 | 188.2 | 105.9 |
Math behind it: Using Pythagorean theorem with a 16:9 ratio.