Crop Factor Converter

Convert focal lengths and apertures between different sensor sizes using crop factors.

Linear measurement in the specified unit.
mm
Real or measured value.
f-stop
Multiplier used in the calculation.
x

Results

Equivalent Focal Length (FF):
Calculated equivalent focal length (ff) based on your inputs.
-mm
Equivalent Aperture (DOF):
Value expressed as a rate (per unit).
-f-stop
Equivalent ISO (noise):
Calculated equivalent iso (noise) based on your inputs.
-ISO @ 100
Reference: Industry Standards.