GPA Calculator
Add courses with their graded credits to calculate semester GPA and combine it with your previous GPA. Choose a common 4.0 letter mapping or enter your institution’s grade points directly.
Your result
How the calculation works
Quality points = course credits × grade points. Semester GPA = summed quality points / summed credits. Cumulative GPA = (previous GPA × previous credits + new quality points) / total graded credits.
Worked example
An A in a 3-credit course and a B in a 4-credit course give (3 × 4 + 4 × 3) / 7 = 3.429. With a previous 3.0 GPA over 20 credits, cumulative GPA becomes 84 / 27 = 3.111.
Assumptions and limitations
Letter mode maps A+/A=4, A−=3.7, B+=3.3, B=3, B−=2.7, C+=2.3, C=2, C−=1.7, D+=1.3, D=1, D−=0.7, F=0. Custom mode accepts scales up to 10. Results display three decimal places.
Institutional rules differ. Exclude pass/fail and withdrawn courses that earn no GPA credit. Repeat replacement and honors weighting are not automatic. Use the same scale for current and previous coursework; this estimate is not an official transcript.
Method reviewed 2026-10-13. Calculation standards · Report an issue