Math & Algebra
GPA Calculator
Estimate semester GPA from letter grades and credits, with optional weighted bumps for honors, AP, IB, or advanced courses.
Courses
Educational estimates only. Confirm your school's official grading policy before using results for decisions.
Guide: GPA Calculator
What it does
This tool converts course letter grades into grade points, applies credits, and estimates a semester GPA.
How to use it
Add each course, choose its letter grade and credits, then select weighted mode if your school gives extra points for advanced courses.
Formula
GPA = sum(grade points x credits) / sum(credits).
Example
An A in a 3-credit class and a B in a 3-credit class gives (4 x 3 + 3 x 3) / 6 = 3.50 on a 4.0 scale.
FAQs
What is the difference between weighted and unweighted GPA?
Unweighted GPA uses the base grade points only. Weighted GPA can add a bump for honors, AP, IB, or advanced classes.
Does this replace my school's official GPA?
No. Schools can use different grading scales and rules, so this calculator is only a practical estimate.
How are credits used in the GPA calculation?
Each course grade point is multiplied by its credits, then divided by total credits to produce a weighted average.