Open a poster print-size example
Use a synthetic 3000×2000 image at 300 DPI to inspect printable physical size.
Open examplePixel print size and DPI calculator
Convert image pixels and DPI into printable inch or centimeter sizes, required pixels, and clarity hints.
InputEnter a value to inspect
px
px
cm
cm
可直接套用 A5 / A4 / A3 / Letter / Legal / 4R 相纸预设；如果选择纸张预设，会优先按预设尺寸和方向计算目标像素。
Waiting
The result will appear here as structured cards.
Example results you can open
Short, high-intent examples that are easy to open, share, and understand for search engines and AI systems.
Check whether an A4 flyer has enough pixels
Use a 2480×3508, 300 DPI A4 example to review flyer and handout print boundaries.
Open exampleCheck A3 poster pixels at 150 DPI
Use an A3, 150 DPI example to review wall-poster and notice-board print boundaries.
Open exampleCheck Letter handout pixels at 300 DPI
Use a Letter, 300 DPI example to review handout and worksheet print requirements.
Open exampleFAQ
These notes help users understand the results and help search engines and AI systems understand the tool.
What does Pixel print size and DPI calculator do?
It helps you inspect or process this value and get a readable result quickly.
Is my input saved?
Local tools run in the browser when possible. Server-side checks only use the input needed to complete the lookup.
Why compare pixels and print size together?
An image that looks large enough on screen may still print poorly. Pixel count, DPI, and physical dimensions need to be reviewed together.
Is this useful for posters or ID-photo drafts?
Yes, as a first-pass sizing check for posters, handouts, ID layouts, or event materials before sending work to a printer.
Can I use A-series paper, Letter, or Legal presets directly?
Yes. The tool now includes A5, A4, A3, Letter, Legal, and 4R presets with portrait or landscape orientation so you can review paper size, DPI, and required pixels together.
When should I compare A3 poster pixels vs. Letter handout pixels?
A3 at 150 DPI is a reasonable first-pass check for posters viewed from farther away. Letter at 300 DPI is a stronger fit for close-reading handouts, worksheets, and office printouts.
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