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Pixel Density Calculator

Image

Calculate horizontal, vertical and diagonal print pixel density from image and physical dimensions.

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Image & Print Dimensions
Image Width (px)
Image Height (px)
Print Width (in)
Print Height (in)
Pixel Density
Diagonal PPI
299.95
Horizontal PPI
300
Vertical PPI
299.85
Good - acceptable for most prints
150–299 PPI looks fine at normal viewing distance.
Guide: 300 PPI = print quality · 150 PPI = acceptable · below 100 PPI = low quality.

Calculate horizontal, vertical and diagonal print pixel density from image and physical dimensions. Print-quality labels are rough guidance.

See more about the Pixel Density Calculator

Viewing distance, printer process and image content also matter.

Examples

Worked example

3000 by 2400 pixels printed at 10 by 8 inches gives 300 PPI on both axes.

Print-quality labels are rough guidance. Viewing distance, printer process and image content also matter.

Key features

  • Calculate horizontal, vertical and diagonal print pixel density from image and physical dimensions.

Related Blog Posts

Quick answers for Pixel Density Calculator

What does the Pixel Density Calculator do?
Calculate horizontal, vertical and diagonal print pixel density from image and physical dimensions. The Pixel Density Calculator is one of 900+ free developer tools on Toolblip - all open to use without a signup.
How do I use the Pixel Density Calculator?
Open the Pixel Density Calculator on this page, paste or upload your input, and the result updates as you type. Use the copy button to grab the output, or adjust options to tune the result. Nothing you enter leaves your browser.
Is the Pixel Density Calculator free to use?
Yes. The Pixel Density Calculator is a free online tool on Toolblip - no signup, no account, no hidden usage limits. It runs in your browser and works on desktop and mobile.
Is the Pixel Density Calculator safe and private?
Yes. The Pixel Density Calculator processes your data entirely client-side, so nothing you paste is uploaded or stored on any server. It's safe to use with internal snippets, private keys for debugging, or any other sensitive content you'd rather not send to a remote service.
What kind of output does the Pixel Density Calculator produce?
The Pixel Density Calculator produces clean, formatted output that you can copy or download with a single click. The output is tailored to the tool's purpose (formatted code, converted data, transformed text, or processed media) and is ready for immediate use in your project or workflow.
Does the Pixel Density Calculator work on mobile devices?
Yes. The Pixel Density Calculator is designed to work on any device with a modern browser, including phones and tablets. The interface adapts to smaller screens, and the core functionality (paste input, transform, copy output) works the same way regardless of your device.
Are my images uploaded anywhere when I use the Pixel Density Calculator?
No. The Pixel Density Calculator processes images fully client-side using the Canvas API. Your files never leave your browser, so you can safely work with personal photos, design mockups, or confidential assets.
What image formats does the Pixel Density Calculator support?
The Pixel Density Calculator works with common web image formats including PNG, JPEG, WebP, GIF, and SVG. The specific operations available depend on the format: lossless formats like PNG preserve quality through transformations, while lossy formats like JPEG may show compression artefacts after re-encoding.
Can I use the Pixel Density Calculator offline?
Once the page has loaded, the Pixel Density Calculator continues to work without an internet connection. Bookmark this page and return to it anytime - all logic runs locally.