TV Size Calculator

Calculate the ideal TV size for your room based on viewing distance and resolution. Supports metric and imperial units. Pure client-side.

Quick Examples

About TV Size Calculator

Choosing the right TV size is crucial for an immersive viewing experience. This calculator uses industry standards from SMPTE and THX to recommend the optimal screen size based on your viewing distance and TV resolution. Higher resolution TVs (4K, 8K) allow for larger screens at closer distances without visible pixelation. All calculations happen in your browser — no data is sent to any server.

Features

Frequently Asked Questions

How do I measure viewing distance?

Measure the distance from where you will sit to where the TV will be mounted or placed. Use a tape measure for accuracy. This is the primary factor in determining the ideal TV size.

Does resolution affect TV size choice?

Yes! Higher resolution TVs (4K, 8K) have smaller pixels, so you can sit closer to a larger screen without seeing individual pixels. With 1080p, you need to sit further back for larger screens.

What is the SMPTE standard?

The SMPTE (Society of Motion Picture and Television Engineers) recommends a viewing angle of 30 degrees for optimal immersive experience. This standard is widely used in professional video production.

What is the THX standard?

THX recommends a viewing angle of 40 degrees for a cinema-like experience at home. This means sitting closer to the screen than the SMPTE standard for a more immersive feel.

Is bigger always better?

Not necessarily. A TV that is too large for your room can cause eye strain and neck fatigue. It is best to follow the recommended size ranges and consider your room layout and seating position.