GPA Calculator
Calculate your weighted GPA on the 4.0 scale across all your courses.
10 credit hours across 3 courses.
To calculate your GPA on the 4.0 scale, use GPA = Σ(grade points × credits) ÷ Σ(credits). Convert each letter to points (A = 4.0, B = 3.0), multiply by that course’s credit hours, add them up, then divide by total credits. An A in 4 credits and a B in 3 gives 25 ÷ 7 = 3.57.
How GPA is calculated
Each letter grade is worth a fixed number of grade points on the 4.0 scale — an A is 4.0, a B is 3.0, and so on. Your GPA is not a plain average of those points: it is weighted by credit hours, so a 4-credit course pulls on your GPA twice as hard as a 2-credit one.
sum the quality points, then divide by total credits
Worked example
Three courses: an A in a 4-credit course, a B+ in 3 credits, and a B in 3 credits.
- 1 Convert each grade to points. A = 4.0, B+ = 3.3, B = 3.0 on the 4.0 scale.
- 2 Multiply by credits (quality points). 4.0×4 = 16.0, 3.3×3 = 9.9, 3.0×3 = 9.0 → 34.9 total quality points.
- 3 Divide by total credits. 34.9 ÷ 10 = 3.49 GPA.
Letter grade → grade points (4.0 scale)
The common US scale with plus/minus steps; your school’s cutoffs may differ slightly.
| Letter | Percentage | Grade points |
|---|---|---|
| A | 93–100 | 4.0 |
| A− | 90–92 | 3.7 |
| B+ | 87–89 | 3.3 |
| B | 83–86 | 3.0 |
| B− | 80–82 | 2.7 |
| C+ | 77–79 | 2.3 |
| C | 73–76 | 2.0 |
| D | 60–69 | 1.0 |
| F | below 60 | 0.0 |
Common questions students hit
One bad grade in a big course. Because credits weigh the average, a C in a 4-credit course hurts more than a C in a 1-credit elective — prioritise the heavy ones.
Pass/fail courses. These usually carry credits but no grade points, so most schools leave them out of the GPA entirely.
Retakes. Some schools replace the old grade, others average both. Check your policy before assuming a retake erases a low mark.
AP and Honors classes. The standard scale here is unweighted; if your school adds bonus points for advanced courses, use the Weighted GPA calculator instead. To roll several terms into one number, see the Cumulative GPA calculator.