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DPI calculator

This calculator finds DPI from pixels and physical size.

LengthCalculatorOnline

Enter values

DPI
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Formula

DPI = px / (cm / 2.54)
L

What this calculator does

This calculator finds DPI from pixels and physical size.

How to use

  1. Enter values in the fields.
  2. Click Calculate.
  3. Check the result below the form.

FAQ

Is the formula real?

Yes, this tool uses a real formula.

Are data sent to the server?

No, calculation runs in the browser.

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