70 vs 75 Inch TV: Size Comparison to Scale
A 75-inch TV has 15% more screen area than a 70-inch one. Side by side, that's 11.1 cm more width and 6.2 cm more height. The picture below shows both screens in true relative scale.
Both screens drawn to the same scale, aligned at the bottom-left corner.
| Parameter | 70″ cm | 70″ in | 75″ cm | 75″ in | Δ |
|---|---|---|---|---|---|
| Width | 155.0 cm | 61.0 in | 166.0 cm | 65.4 in | +7% |
| Height | 87.2 cm | 34.3 in | 93.4 cm | 36.8 in | +7% |
| Area | 13508 cm² | 2094 in² | 15507 cm² | 2404 in² | +15% |
The difference in numbers
The 75″ screen is 11.1 cm wider (+7%) and 6.2 cm taller (+7%) than the 70″ screen. The 75″ screen is 15% larger by area.
Recommended viewing distance
70″: 2.13 m – 2.89 m (7.0 ft – 9.5 ft)
75″: 2.28 m – 3.10 m (7.5 ft – 10.2 ft)
Questions about 70″ vs 75″
How much wider is a 75″ screen?
A 75″ screen is 11.1 cm wider than a 70″ one at this aspect ratio.
What viewing distance do I need for 75″?
For a 75″ screen the recommended viewing distance is about 2.28 m – 3.10 m (7.5 ft – 10.2 ft).
Are these numbers exact?
They're calculated directly from the diagonal and aspect ratio using standard geometry, so they're exact for that ratio — real panels can vary by a few millimetres.