Keep the same aim in every game. Click the game you play now, then the one you want, and enter your settings.
1. The game you play now
2. Convert to
Approximate values for general sensitivity only, not scoped/ADS multipliers. Turn off mouse acceleration (Windows: Enhance pointer precision) and use raw input if the game offers it.
To keep the same feel when you switch games, your sensitivity must match in physical distance: how many centimeters you move the mouse for a full 360° turn. This tool converts your setting using each game's yaw value and shows your eDPI and cm/360°.