The reason we use inches to measure TV screens globally is because it’s a standard and practical method that offers clear advantages in production and marketing.
Using inches provides a consistent way to talk about TV sizes across different markets, and people already know and understand this unit of measurement.
This tradition started when TVs had cathode ray tubes, and the size was determined by the diameter.
Later, when rectangular tubes came into play, the diagonal measurement became the standard.
People are used to thinking about TV sizes in inches, and it’s easy to express the diagonal size of the screen this way.
So, even though some might wonder why we stick to inches, it’s mainly because it’s widely accepted, and people find it easy to relate to.
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