Exposure Triangle Calculator

Calculate equivalent exposures by balancing aperture, shutter speed, and ISO for the same exposure value.

Enter the base aperture (f/) value for this calculation.
f-stop
Enter the base shutter (1/x) value for this calculation.
sec
Enter the base iso value for this calculation.
ISO
Enter the new aperture (f/) value for this calculation.
f-stop

Results

New Shutter Speed:
Calculated speed or velocity.
-1/x sec
Alternative: Keep Shutter, New ISO:
Calculated alternative: keep shutter, new iso based on your inputs.
-ISO
Exposure Value (EV):
Calculated exposure value (ev) based on your inputs.
-EV
Reference: Industry Standards.