If you want to calculate your grade point average, it shouldn't be that hard. Here is how it works. If you get an A that is a 4.0. If you get a B, that is 3.0. if you get a C a 2.0 and same for the rest. Now, lets say you got 3 A's and 1 B. To calculate your GPA you would do what it is call a mean. In other words an average. So you will do (4+4+4+3)/4 = 3.75 GPA