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Screen Size and Viewing Distance Calculator
Viewing comfort is about the angle the screen occupies in your vision: too close and you have to scan, too far and the detail is wasted. For 4K content the recommended distance is shorter than for 1080p because finer detail holds up closer.
How it works
Screen diagonal
Resolution
Aspect ratio
Distance from seat to screen
Main use
Screen width
Screen height
Closest comfortable distance
Furthest useful distance
Ideal distance
Recommended size for your room
Frequently asked questions
How do I use the Screen Size and Viewing Distance 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.