iRacing FOV Calculator
Enter your real monitor measurements and eye distance to get a realistic field of view for sim racing.
Why FOV matters in iRacing
Your field of view (FOV) controls how the virtual cockpit is projected on your screen. If FOV is too wide, everything looks fast and far away. If it is too narrow, speed feels slower and side vision is reduced. A correct FOV helps with braking points, apex consistency, and overall immersion.
The goal is not to “see more” like an arcade game. The goal is to match the image scale on your monitor to what your eyes would see in a real car from the same distance.
How this iRacing FOV calculator works
Core geometry
This calculator uses monitor size and viewing distance with a simple trigonometry model:
- Horizontal FOV = 2 × arctan((screen width ÷ 2) ÷ viewing distance)
- Vertical FOV = 2 × arctan((screen height ÷ 2) ÷ viewing distance)
iRacing typically uses a vertical-style camera FOV value, so the most important output is the recommended iRacing FOV based on your monitor height and distance.
Single vs triple monitor setups
For single screens, total horizontal FOV equals your single monitor horizontal coverage. For triple screens, the calculator also estimates your combined horizontal coverage so you can understand peripheral vision potential.
How to apply your result inside iRacing
- Open iRacing and enter a test session.
- Go to graphics/camera settings and find the FOV option.
- Use the recommended value from this calculator.
- Fine-tune seat position (forward/back and height) instead of dramatically changing FOV.
- Keep FOV stable across cars to improve muscle memory.
Common mistakes sim racers make
- Measuring monitor diagonal instead of visible width/height.
- Using guessed distance rather than eye-to-screen distance in driving position.
- Setting extremely wide FOV to compensate for lack of side visibility.
- Changing FOV often, which hurts braking consistency.
- Ignoring monitor placement and seating ergonomics.
Quick setup tips for better immersion
1) Bring the monitor closer (if possible)
A closer screen increases realistic visual coverage without unrealistic camera distortion.
2) Match wheel and virtual wheel position
Aligning your real wheel with the in-game wheel helps your brain accept the scale more naturally.
3) Use stable camera settings
Avoid aggressive cockpit movement effects while dialing in FOV. Keep a stable reference first, then add preference-based effects later.
FAQ: iRacing field of view
Should I prioritize realism or visibility?
Start with realism. Then improve visibility with monitor position, mirrors, radar tools, and racecraft habits—not by extreme FOV changes.
Can I use this for ultrawide monitors?
Yes. Just enter actual visible width and height of your ultrawide panel.
Is this calculator only for iRacing?
The geometry works for most simulators, including Assetto Corsa, ACC, rFactor 2, and Automobilista 2. But each game labels FOV settings slightly differently.
Final thought
A good iRacing FOV calculator gives you a reliable baseline. Once your scale is right, driving becomes calmer, braking gets more repeatable, and your lap times become more consistent over long stints.