Image DPI Calculator

Calculate the DPI resolution of your image.

Upload an image to auto-fill the dimensions (optional)

What is this tool?

Calculate the DPI (dots per inch) resolution of an image for print. Enter dimensions and print size to see if your photo will look sharp on paper, or upload an image to auto-fill dimensions.

How to use it

  1. 1
    Upload an image (optional) or enter dimensions.
  2. 2
    Enter your desired print size.
  3. 3
    Read the DPI result and quality verdict.

Key features

Supported formats

Input: dimensions + print size. Output: DPI value and guidance.

Good to know

DPI is a print concept; it does not change the image file. Use the Resizer to change actual pixel dimensions.

Frequently asked questions

What DPI do I need for print?

300 DPI is the standard for sharp print. 150 DPI is acceptable for large posters viewed from a distance.

Does changing DPI resize the image?

No — DPI is metadata for print. To change actual pixels, use the Image Resizer.

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