Great question, and the answers is: It depends.
It depends on your video content, the country you reside in, how much engagement your videos get, the quality of your videos, how many subscribers you have… all of these things determine how much you can make.
In addition, there are plenty of other ways to monetize your YouTube videos besides advertising. You can use YouTube to send people to your website, to join your list, to buy your products, to promote affiliate products, to get sponsorships and more.
But if you just want to get an idea of how much you can earn strictly through YouTube’s advertising program, then you might try using this YouTube Money Calculator: