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Crop Factor

Compute crop factor from sensor diagonal vs full-frame (43.3mm).

Input Data

Input Sensor width.
mm
Input Sensor height.
mm

Results

1.5
Crop = FF diagonal (43.3mm) / sensor diagonal.

At a glance:Crop Factor: enter parameters to compute results; complements related calculators.

Formula

Crop = 43.3 / √(width² + height²).

How to Use

  1. Enter sensor width, height.
  2. It returns crop factor.

Case Studies

24×16mm → 1.5×

APS-C commonly 1.5–1.6×.

FAQ

DoF effect?

At same equivalent focal, smaller format gives deeper DoF.

Related Tools

References

Content review: Calculatorism Science Team. Formula and numeric tests verified; results for reference only.

Found a problem with the results?

If this calculator's result is wrong, or you have any question about the calculation logic, please let us know. You are viewing:Crop Factor（/photography/crop-factor）。