How much is your yearly salary if you work 36 hours a week for 33 dollars an hour?

At my position there are several unpaid holidays and it works out to about 2000 hours a year, if you do not consider overtime. This comes out to it taking 18 dollars an hour to make 36k a year. Obviously when you consider whether you are paid when you are off and overtime the actual rate can fluctuate alot to end up with that over the course of a year.