Calculate your weighted or unweighted GPA for high school or college.
Convert each letter grade to grade points (A=4.0, B=3.0, C=2.0, D=1.0, F=0). Multiply each by the course credit hours. Add all results together and divide by total credit hours. That number is your GPA on a 4.0 scale.
GPA (Grade Point Average) is a numerical summary of your academic performance. To calculate it, convert each letter grade to its grade point value, multiply by the credit hours for that course, sum all those products, and divide by the total credit hours. The result is your GPA on a 4.0 scale.
An unweighted GPA uses a 4.0 scale for every course. A weighted GPA gives extra credit for harder courses: AP and IB classes typically add 1.0, and honors courses add 0.5. Weighted GPAs can exceed 4.0. Most colleges recalculate GPA on their own scale during admissions, so an unweighted 3.8 and a weighted 4.3 from the same set of courses may look similar to an admissions officer.
For college admissions, 3.5 or above on a 4.0 scale is generally considered strong. The average GPA at four-year colleges is around 3.1. For graduate school, most programs expect at least a 3.0, with competitive programs expecting 3.5 or higher. For employment, GPA matters most in the first two years after graduation, particularly in fields like finance, consulting, and law.
Courses with more credit hours carry more weight. A 4-credit-hour course affects your GPA more than a 2-credit-hour course. This is why one strong semester early in college can have a bigger impact than one strong semester late, when you've accumulated more total credit hours pulling the average toward where it already is.