Equivalent Exposure
Calculate Equivalent Exposure instantly with the exact formula and a worked example.
Equivalent Exposure
ISO 1
Shutter 1/N
ISO 2
New shutter 1/N
400
More about: Equivalent Exposure
What it calculates
The “Equivalent Exposure” calculator computes New shutter 1/N from 3 parameters: iso 1, shutter 1/n, iso 2.
Used by photographers and videographers when setting up a shoot.
Example calculation
With parameters ISO 1 = 100, Shutter 1/N = 100, ISO 2 = 400 the result is 400.
How to use
- Enter iso 1, shutter 1/n and iso 2 — each field above is adjustable with a slider.
- New shutter 1/N is calculated automatically as you type.
- Check the worked example below to see the formula applied to real numbers.
- Copy the result or bookmark this calculator.
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FAQ
How is Equivalent Exposure calculated?
The Equivalent Exposure calculator computes New shutter 1/N from iso 1, shutter 1/n, iso 2. Enter your values above and the exact formula is applied instantly; a worked example with real numbers is shown below.
Is the Equivalent Exposure calculator free?
Yes. It is completely free, needs no signup, runs entirely in your browser, and sends no data to any server.
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