Why don’t televisions and other screen resolutions use “rounded” aspect ratios, e.g. 2000 by 1000 instead of 1920 by 1080?
Read up about [aspect ratios](_URL_1_). Turns out that the first widespread standard ratio was 4:3, based upon the size of the physical film commonly in use. That particular ratio means that if you want both dimensions to be integers rather than including fractions thereof, there are only a few p…
The Short Answer
Read up about [aspect ratios](_URL_1_). Turns out that the first widespread standard ratio was 4:3, based upon the size of the physical film commonly in use. That particular ratio means that if you want both dimensions to be integers rather than including fractions thereof, there are only a few plausible ratios that work, i.e., numbers which are multiples of both 4 and 3. 400:300 would work, but that's a pretty small screen. The next "round" ratio is 800:600–which is actually the SVGA standard. After that you get to 1600:1200, the UXGA standard. There's a list [here](_URL_0_), and as you can see, there are only a few ratios on there with "round" numbers. This means that if you're trying to maintain a standard pixel density, you probably need to use "not-round" numbers for a lot of aspect ratios and screen sizes. I mean, you *can* stick to "round" ratios, but the result would not be satisfactory on many screen sizes. Hence the use of intermediate conforming ratios, even if the numbers seem a bit arbitrary.
Analysis
Key Concepts: Ratios, standard, numbers
This explanation focuses on ratios, standard, numbers and spans 172 words across 10 sentences. At 129% above the average Technology explanation (75 words), this is one of the more thorough answers in this category, reflecting the complexity of the underlying question.
What This Answer Covers
The explanation opens with: “Read up about [aspect ratios](_URL_1_).” It then elaborates by presenting a contrasting perspective, ultimately building toward a complete picture across 10 connected points.
How This Compares in Technology
Ranked #3 of 500 Technology questions by answer depth (top 1%). This places it in the comprehensive tier — the top quarter of most thoroughly answered questions. Questions at this depth typically involve multi-faceted topics requiring nuanced explanation.
Frequently Asked Questions
Is there a simple explanation for why televisions and other screen resolutions use "rounded" aspect ratios, e.g. 2000 by 1000 instead of 1920 by 1080?
Read up about [aspect ratios](_URL_1_). Turns out that the first widespread standard ratio was 4:3, based upon the size of the physical film commonly in use. That particular ratio means that if you want both dimensions to be integers rather than…
How detailed is this explanation compared to similar Technology questions?
This is one of the most thorough answer at 172 words, ranked #3 of 500 Technology questions by depth. The key concepts covered are ratios, standard, numbers.
What approach does this answer take to explain televisions and other screen resolutions use "rounded" aspec?
The explanation uses contrasting perspectives across 172 words. It is categorized under Technology and addresses the question through 1 analytical lens.