Free tools

FOV calculator.

Wrong field of view is the single most common reason a rig feels off and lap times plateau. Put your screen size and how far your eyes sit from it, and this gives you the correct number for every sim. No sign-up, nothing to install.

Screen size (inches)

Aspect ratio

Eye to screen (cm)

Units

Number of screens

Your FOV

46.2° horizontal

27.0° vertical

iRacing46° horizontal

ACC / LMU46° horizontal

Assetto Corsa27° vertical

Screen width59.8 cm

This is the true 1:1 figure — the track looks life-size and your braking references stay where your eyes expect. Plenty of quick drivers run a little wider on purpose; start here and adjust.