Gaming FOV Calculator
Calculate vertical FOV from horizontal FOV and aspect ratio using standard perspective geometry.
Enter your values
Use the units shown beside each input. Results update when you calculate.
Calculator Results
Results are calculated from your inputs.
How the Gaming FOV Calculator Works
This calculator uses a transparent mathematical model. For game-specific settings, patches and hardware behavior, verify the final result in the current game or device.
Results are intended for planning and reference, not a guarantee of real-world or game-engine performance.
How to use this calculator
What to enter
Enter or select the following as requested: Horizontal FOV (degrees); Aspect Ratio. Follow the units, valid ranges, examples, and options displayed beside each field.
What the result means
The gaming result estimates performance, download time, sensitivity, field of view, damage rate, or progression from the settings and hardware/network assumptions entered. Check the game version, display refresh rate, resolution, input device, units, and whether measurements are theoretical or observed.
When to use it
Use this to compare settings or estimate gaming performance. Actual results vary by game engine, hardware, network conditions, patches, and player settings; verify changes in the game itself.