Image Tools

Image ratios, DPI and print size

Aspect ratio calculator · Image DPI calculator · Image print size calculator. Image ratios, DPI and print size. Work with separate inputs and settings for each task. Choose a destination before reusing a result.

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Work with separate inputs and settings for each task. Choose a destination before reusing a result.

Aspect ratio calculator

Simplify width-to-height ratios and calculate resized dimensions

Link to this task

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How to use · Aspect ratio calculator
  1. Enter your values and choose the options.
  2. Run the tool and review the result.
  3. Copy the result or change inputs to compare.

Check the input range and output units. Results depend on your inputs and the features supported by your browser.

Inputs and files disappear when you leave or reload. Drafts and presets you explicitly save are kept separately. Review results before using them.

Available tasks · 3
Aspect ratio calculator
Simplify width-to-height ratios and calculate resized dimensions
Image DPI calculator
Calculate pixels per inch from pixel count and physical width
Image print size calculator
Calculate print dimensions in inches and centimeters from pixels and DPI

How to use

  1. 1Search or select a task and enter your input.
  2. 2Run the task and review results or errors.
  3. 3Choose Reuse result, select a destination and apply.

Good to know

Re-encoding removes photo metadata. GIF uses the first frame. Maximum 16 million pixels.

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