How to measure a television screen

Written by megan smith | 13/05/2017
How to measure a television screen
Widescreen TVs measure differently than standard televisions. (full hd lcd tv image by mattmatt73 from

If you're looking to sell your old television, you'll need to determine what size it is before placing it up for sale. Widescreen and standard televisions can have the same measurements without being the same size. For example, a 32-inch standard television has an aspect ratio of 4:3, while a 32-inch widescreen television has an aspect ratio of 16:9. Therefore, it 's important to measure your TV with the correct measuring process before selling it, regardless of whether you have a widescreen or a standard model.

Place the metal part of a measuring tape in the lower left corner of your television screen. Hold it in place with your finger.

Stretch the measuring tape across to the upper right corner of the television screen. The measuring tape should stretch diagonally across the television.

Write down the measurement.

Take note of whether the television is widescreen or standard. If the television is widescreen, it will be wider and not as tall as a standard TV. Therefore, a 32-inch widescreen TV will seem much larger (because it's wider) than a 32-inch standard television.

Measure the width and height of your screen. If you're selling your TV, your buyer may not know the size discrepancy between 32-inch widescreen televisions and 32-inch standard televisions. Have this information readily available and explain that television sizes are always measured diagonally.


Always unplug a television before attempting to lift it.

Tips and warnings

  • Always unplug a television before attempting to lift it.
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