On some flat-panel TVs, the actual measured screen size is slightly smaller than the advertised screen size. Why is that?
Some TV makers list a TV’s true screen size if it’s different from the advertised size. This difference is only a fraction of an inch — the most common example is 32″ LCDs that actually measure 31-1/2″. We’ve not heard any official explanation for the discrepancies. It’s likely just the type of rounding up that’s been going on for years for products ranging from refrigerators, to car engines, to cans of soda. As with these examples, the screen size difference is nothing to be concerned about. You might notice a half-inch difference on a computer monitor but you won’t on a TV.
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