Television Size Calculator
Enter how far your seat is from the screen and how you like to watch. The calculator gives the ideal diagonal, the nearest TV size and its width and height.
- TV size
- Screen width
- 4K distance
Measure from your eyes to where the screen will be.
For mixed viewing, diagonal ≈ 0.615 × seat distance. Sitting 9 ft away, mixed viewing suits a 66 in screen, so a 65 in TV. It is about 57 in wide. For a cinema feel, go up to 85 in.
TV size by distance chart
For each viewing style. Search for a distance.
| Distance | Casual | Mixed | Cinema |
|---|---|---|---|
| 5 ft | 29 | 37 | 50 |
| 6 ft | 35 | 44 | 60 |
| 7 ft | 40 | 52 | 70 |
| 8 ft | 46 | 59 | 80 |
| 9 ft | 52 | 66 | 90 |
| 10 ft | 58 | 74 | 100 |
| 12 ft | 69 | 89 | 120 |
| 14 ft | 81 | 103 | 140 |
Inches.
Distance and TV size
Mixed viewing. Slide the distance.
The TV and sofa are drawn from the side.
How to choose a TV size
Seat to screen. Step through it.
Distance
Measure seat to screen.
Check the TV stand or wall space before you buy.
Casual, mixed or cinema
Viewing styles. Compare them.
News and TV.
Most homes.
Films and games.
4K lets you sit closer to a bigger screen.
Before you buy
TV checks. Tick each item.
Tick each item as you go.
Mount the TV with the screen centre near eye height.
What you get
TV sizing. Each tile explains one result.
Diagonal.
Inches and cm.
Screen.
Distance.
Sizes that work.
Most people find their first big TV too small within a month.
Frequently Asked Questions
No question matches that search.
What size TV should I get?
Multiply your seat distance in inches by about point six for most rooms.
How far should I sit from a sixty five inch TV?
About eight to nine feet for mixed viewing.
Is a bigger TV always better?
Within reason, 4K screens look sharp even when quite large.
How wide is a sixty five inch TV?
About fifty seven inches, or one hundred and forty four centimetres.
What is the THX viewing angle?
About forty degrees, for a cinema feel.
Does a higher resolution change the best size?
Yes. With 4K you can sit closer without seeing pixels.
The right size screen
Match the TV to your seat and every film feels just right.
More size calculators
Each one has its own calculator, worked examples and answers to common questions.