Aperture, Shutter Speed, ISO Calculator

Calculation Mode

Calculate EV (from all three)

Solve for Aperture

Solve for Shutter Speed

Solve for ISO

Aperture (f-stop) Select f-stop
Custom f-number

Shutter Speed Select shutter speed
Custom shutter speed (seconds)

ISO Sensitivity Select ISO
Custom ISO value

Show advanced settings

Results

EV Reference Table

EV -7 to -6: Milky Way, starlight, aurora borealis
EV -5 to -4: Crescent moon, meteor showers
EV -3 to -2: Full moon landscape, night snow
EV -1 to 0: Blue hour, dim ambient light
EV 1 to 3: Distant skyline, lightning, fireworks
EV 4 to 6: Candle-lit scenes, Christmas lights, home interiors
EV 7 to 9: Bright street, indoor sports, stage shows
EV 10 to 12: Overcast day, open shade, sunset
EV 13 to 14: Cloudy bright, hazy sun
EV 15 to 16: Bright direct sunlight, snow, sand

Step-by-Step Derivation