Field of View
Calculate Field of View instantly with the exact formula and a worked example. Free online calculator — no signup, works on mobile.
Field of View
Focusmm
Sensor diagonalmm
Diagonal field of view
46.8252°
More about: Field of View
What it calculates
The “Field of View” calculator computes Diagonal field of view in ° from 2 parameters: focus (mm), sensor diagonal (mm).
Used by photographers and videographers when setting up a shoot.
Example calculation
With parameters Focus = 50 mm, Sensor diagonal = 43.3 mm the result is 46.83 °.
How to use
- Enter the parameter values — every field above is adjustable with a slider.
- The result and related metrics are calculated automatically as you type.
- Use the additional metrics shown (if any) where needed.
- Copy the result or bookmark the page.