GPA Calculator
Letter grades and credit hours in, 4.0-scale GPA out — with every grade point read from the published scale.
How GPA is actually computed
GPA never sees your percentages. Each course's percent becomes a letter, the letter becomes grade points on the 4.0 scale, and the points are averaged weighted by credit hours — a 4-credit class moves your GPA a third more than a 3-credit one.
The grade points this calculator uses come from the same published scale as everything else on this site — see the grading scale for the full table and its sources. If your school's points differ (some award A+ a 4.3, some don't grade A+ at all), the letters here follow whatever the scale table says.
Semester GPA vs cumulative GPA
The maths is identical — only the rows change. Enter one term's courses for a semester GPA. For a cumulative GPA, you don't need every course you've ever taken: enter your current cumulative GPA as one row (grade points = your GPA, credits = all credits earned so far) plus this term's courses, and the weighted average does the rest.
Weighted high-school GPAs (5.0)
Many high schools add a bonus point for honors/AP/IB courses, producing GPAs above 4.0. That bonus is school policy, not a property of the letter — and colleges typically recalculate applicants onto their own scale anyway. This calculator reports the unweighted 4.0 figure, which is the one every scale converts to and from.
