Practical tools for measured work
TV Dimensions from Diagonal Calculator
Convert advertised diagonal and aspect ratio into visible width, height, area and estimated bezel size.
How it works
How to use it: enter advertised diagonal, aspect ratio and an estimated bezel width. The calculator separates visible panel dimensions from approximate outside dimensions.
Formula. Scale factor = diagonal / sqrt(aspect width² + aspect height²); multiply each aspect term by that factor.
Example. A 65-inch 16:9 panel is about 56.65 x 31.87 inches before the bezel.
Current-input example
The result above uses these exact values. This snapshot is included when the page is printed so the output can be checked against the original measurements.
- Screen diagonal
- 65 in
- Aspect width
- 16
- Aspect height
- 9
- Bezel per edge
- 8 mm
Primary result: Visible width: 56.65 in.
Before using the result
- Measure from the datum or reference edge described by this tool, and do not mix inside, outside and centerline dimensions.
- Keep inputs in the displayed units and preserve more precision than the final cutting or purchasing tolerance requires.
- When the result is close to a limit, verify it with a test piece, field measurement, manufacturer drawing or qualified project professional.
Limitations
Manufacturers quote nominal visible diagonal. Bezel, chassis, stand and speaker dimensions vary, so use the model's dimension drawing before buying furniture or drilling mounts.
Frequently asked questions
Does this include the TV stand?
No. It estimates panel and bezel only; stand footprints are model-specific.
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