GPA Calculator — Weighted GPA on 4.0, 4.3, 4.33 Scales
Calculate weighted GPA across courses on the 4.0, 4.3, or 4.33 scale. Add unlimited courses with letter grades and credits.
Enter each course with a letter grade (A+ through F) and credit hours, and get your weighted GPA on your choice of 4.0, 4.3, or 4.33 grade point scale. The calculator handles all standard letter grades including plus and minus variants, and updates instantly as you add, edit, or remove courses.
Grade point average is a weighted average of your course grades, where each grade is multiplied by the credit hours the course was worth. Higher credit courses therefore pull your GPA toward their grade more than lower credit courses. This calculator implements the standard weighted formula across three common grading scales.
The 4.0 scale is the traditional US scale where A and A+ both map to 4.0. The 4.3 scale (used by some Canadian universities and a few US schools) distinguishes A+ at 4.3 from A at 4.0. The 4.33 scale is an even finer variant where every plus and minus grade shifts by 0.33 or 0.67. Switch between scales with the tab row and every course automatically revalues — useful when a program lists acceptance thresholds on a different scale than your transcript uses.
Start with three course rows (add or remove as needed), enter an optional name, pick a letter grade from the A+ to F dropdown, and set the credit hours (defaulting to 3, the most common US value). Your cumulative GPA and total credits update live at the top of the page. The calculation is entirely client side, so your academic record stays on your device.
- 1
Pick your grading scale
Tab between 4.0, 4.3, and 4.33 scales based on your school's grading system. Grade points revalue automatically.
- 2
Add your courses
For each course, optionally type a name, select a letter grade from the dropdown, and set credit hours (default 3).
- 3
Read your weighted GPA
The top card shows your cumulative GPA to two decimal places and total credits earned. Add or remove rows to explore scenarios.
Track current semester GPA
Plug in your in-progress courses and expected grades to see where your semester GPA will land.
Calculate cumulative GPA
Enter every course from your transcript to compute an accurate cumulative GPA across years.
Plan grades you need
Model different grade combinations in the remaining weeks to see what you need to hit a target GPA.
Convert between grading scales
Reapply your grades on a 4.3 or 4.33 scale when applying to schools that use a different convention.
How is a weighted GPA calculated?
Multiply each course's grade point value by its credit hours, sum those products, then divide by the total credit hours. Higher credit courses weigh more heavily in the final average.
What's the difference between the 4.0 and 4.3 scales?
On the 4.0 scale, A and A+ both map to 4.0. On the 4.3 scale, A+ is worth 4.3 and A is worth 4.0, allowing students who earn A+ grades to exceed a 4.0 cumulative GPA.
How are plus and minus grades weighted?
A plus grade (e.g., B+) adds 0.3 (or 0.33 on the 4.33 scale) to the base letter, and a minus grade subtracts 0.3 (or 0.33). F is 0.0 on every scale. Full mappings are shown in the grade dropdown.
Can I use this for high school weighted GPA with AP boosts?
Not directly. AP and honors weighting typically adds a flat 0.5 or 1.0 to the grade point. You can approximate this by picking a higher letter grade or by computing AP courses separately.
Is my transcript data private?
Yes. Every calculation runs in your browser. Nothing is uploaded to any server. Refresh the page to clear all course entries.