ND Calculator

Calculate how many ND stops you need when changing shutter, aperture, ISO or FPS.

Shutter mode

Current settings

Shutter angle

Aperture (f/)

ISO

FPS

Internal ND (stops)

Target settings

Shutter angle

Aperture (f/)

ISO

FPS

Internal ND (stops)

Results

Total ND (stops) —
External ND (stops) —

More details

Scene EV —
Target EV —
External OD —
External factor —
Round ↑ to 1/3 —
Nearest full ↓ —
Nearest full ↑ —