List all your classes for the grading period
Find the grade you earned in each class
Convert each letter grade to grade points
Use the school’s GPA scale if it is weighted or unweighted
Add all grade points together
Count the total number of classes or credits
Divide total grade points by total classes or credits
Round to the nearest hundredth if needed
For weighted GPA, add extra points for honors, AP, or IB classes if your school does that
For semester GPA, use only the grades from that semester
For cumulative GPA, include all completed high school grades
Check your school’s official GPA policy for exact rules