Is this Depth of Field Calculator free to use?

Yes, Depth of Field Calculator is 100% free to use online with no installation or account required.

How do I use the Depth of Field Calculator?

Simply enter your values into the required input fields and click calculate to view the results instantly.

Yes, the calculator is fully responsive and compatible with Android, iOS, Windows, macOS, and Linux web browsers.

Depth of Field Calculator — Free Online Tool

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Estimate depth of field in photography

Note: DOF ≈ 2 × N × c × (f/m)². c=circle of confusion, N=f-stop, f=focal length, m=magnification.

Settings

Focal Length (mm)

Aperture (f-stop)

Subject Distance (m)

Circle of Confusion (mm)

⚠️ For educational purposes only. Verify results with a qualified professional when making important decisions.