HD PPI and Size
Compute PPI, dot pitch and total pixels for HD 1280×720 from the diagonal size.
🖥HD PPI and Size
All processing happens locallyWhat this tool does
HD PPI and Size is a display and video parameter calculator for resolution, density, bitrate and aspect ratio., pixel-density and timebase standards produce values you can use on set or in an edit.
PPI uses the diagonal and the nominal size; bitrate guidance assumes common codec efficiency.
How to use it
- Paste or type your content into the input field at the top, or press the sample button to load demo data.
- Adjust the options below the input, such as output format, separators, letter case or precision.
- Press the main button to run the conversion. Results appear instantly in the output panel without a page reload.
- When the result looks right, use the copy button in the corner, or download it as a local file.
Tips and notes
Clean up stray spaces and line breaks before pasting for more accurate results.
FAQ
Only when the screen is large relative to viewing distance; on phones 4K and 1080p look identical.
Yes. The tool is completely free with no usage limits, and you never need an account or a sign-in.
No. All processing runs locally in your browser, so the input never reaches a server and is never logged or stored.
Yes. The layout is mobile-first, so inputs and buttons stay comfortable on phones and tablets in both orientations.
Yes. A copy button in the output panel puts the result on your clipboard, and you can also download it as a text file.