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TV Size Calculator
Screen size is really a question of viewing angle. THX recommends a 40-degree angle for cinema-like immersion, SMPTE 30 degrees for a mixed-use room, and a 20-degree angle keeps the whole picture in comfortable view for sports and news.
How it works
Seating distance
Viewing experience
Aspect ratio
Recommended screen size
Screen width
Screen height
Comfortable max distance
Frequently asked questions
How do I use the TV Size Calculator?
Fill in the fields above โ the result recalculates instantly as you type. Everything runs in your browser, so the values you enter are never collected or stored.
Is this calculator free?
Yes. It is completely free, requires no account, and works on phones, tablets and desktops.