# Guide to the technology calculators

The technology calculators deal with screens: how far from a TV to sit for a given screen size, or which screen size suits a given distance.

## Technology

### [TV Size and Distance](https://www.calculator.land/calculators/tv-distance/)

Finds the recommended viewing distance for a screen size, or the recommended screen size for a viewing distance, from the angle the screen fills: 30° for mixed use (SMPTE) and 40° for cinema (THX). It also gives a range from 40° to 26°, the point where individual pixels become visible at the chosen resolution (720p to 8K), and the screen's width and height, in metric or imperial units.