Choose a game to load the way it labels FOV. Results use rectilinear geometry and preserve vertical FOV; they do not reproduce sensitivity, ADS, viewmodel, stretched-resolution, or dynamic-camera behavior.
Geometry only. Set the axis and reference aspect ratio used by the exact game, mode, and patch.
Geometric equivalents at the same vertical FOV
Aspect hFoV vFoV Diagonal
Fortnite now uses FOV Minimum and Maximum camera controls. Generic Call of Duty and Quake conventions vary by title. Use Custom only after confirming the exact game, mode, patch, axis, and reference aspect ratio.
⌨ Free FoV Calculator by KeyboardTester.click