What is the first thing you do after you pick up a new first-person shooter game ? You should get your sensitivity down first. In fact, sensitivity is one of the most important settings when it comes to first-person shooters.

You can buy all the fancy mousepads or gaming gear you want, but without the right sensitivity, you’re not going to get what truly feels natural to you.

That's where this calculator will be helpful for you, to find your perfect sensitivity approximation by applying simple maths, after 7 iterations you will end up with your ideal sensitivity.