Exposure Triangle Calculator
Explore aperture, shutter, and ISO trade-offs: exposure value math, an equivalent-exposure table for every f-stop, and a live canvas brightness preview. Free.
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What is Exposure Triangle Calculator?
The Exposure Triangle Calculator turns aperture, shutter speed, and ISO into one exposure value, shows an equivalent-exposure table pairing every f-stop with its matching shutter speed, and previews the brightness change on a canvas - helping you trade depth of field, motion blur, and noise deliberately.
Key Benefits
- See EV as a single number instead of three competing dials
- Every equivalent f-stop and shutter pairing at a glance
- Brightness preview makes over- and under-exposure tangible
- Standard camera ladders keep the values realistic
- Instant and offline - a true field companion
Common Use Cases
- •Learning manual mode without wasting shots on guesses
- •Planning long-exposure or low-light settings before a shoot
- •Teaching photography students the exposure triangle
- •Quickly checking what f/8 costs you in shutter speed
How to Use the Exposure Triangle Calculator
- Set your camera settings: Pick the aperture, shutter speed, and ISO you plan to shoot - the EV updates instantly.
- Check the brightness preview: See whether the combination over- or under-exposes the baseline scene by the shown number of stops.
- Trade off with the table: Pick a different f-stop from the equivalence table to keep the same light while shifting depth of field or motion blur.
Key Features
- EV computed from aperture, shutter, and ISO with the standard formula
- Equivalent-exposure table for every f-stop at constant light
- Canvas brightness preview scaled by the stop difference
- Standard camera ladders: f/1.4-f/16, 1/4000-1 s, ISO 100-6400
- Current settings highlighted in the equivalence table
- Instant client-side rendering - a field companion that works offline