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ConvertMyStuff
Tool

DPI Calculator

Calculate print DPI from pixel and print dimensions.

Image Tools

What this tool does

Enter pixel dimensions and intended print size in inches to estimate effective print DPI.

How to use

  1. Enter pixel width and height.
  2. Enter intended print width and height in inches.
  3. View calculated DPI for each dimension.

Formula

DPI = pixels ÷ print inches

Examples

3000 px photo printed at 10 inches

Input: 3000 px width, 10 in print width

Output: 300 DPI

3000 ÷ 10 = 300 DPI, suitable for high-quality print.

Common use cases

  • Check if an image is print-ready
  • Plan poster or photo print sizes
  • Estimate resolution before sending to a printer

FAQ

What DPI is good for print?

300 DPI is common for photo-quality print; 150 DPI may suffice for large formats.

Does this resize my image?

No. This calculator only estimates DPI from dimensions.

Can width and height DPI differ?

Yes, if pixel and print aspect ratios do not match.

Source notes

  • DPI = dots per inch = pixels per inch for digital images.

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Last reviewed: 2026-05-23