How to Calculate Your GPA Calculator
- Add each course name and credit hours (e.g. 3 or 4 credits).
- Select your letter grade (A, B+, etc.) or enter percentage.
- Specify course type: Regular (4.0 max), Honors (+0.5), or AP/College (+1.0).
- Review both your Unweighted and Weighted GPA instantaneously.
Mathematical Formula
Multiply each course grade point by credit hours, sum them up, and divide by total credit hours attempted.
\text{GPA} = \frac{\sum (\text{Grade Points}_i \times \text{Credits}_i)}{\sum \text{Credits}_i}Worked Example
Scenario: 3 courses: Math (4 credits, A=4.0), History (3 credits, B=3.0), English (3 credits, A-=3.7).
Points = (4*4.0) + (3*3.0) + (3*3.7) = 16.0 + 9.0 + 11.1 = 36.1. Credits = 10. GPA = 36.1 / 10 = 3.61.
Result: Semester GPA is 3.61.
Letter Grades and Quality Points Used by This Calculator
Most US schools convert each letter grade into a numerical value called grade points (quality points) on a 4.0 scale. This calculator uses the standard unweighted values below, and then adds a +0.5 Honors or +1.0 AP/College boost on top when you tag a course as weighted.
| Letter Grade | Percent Range (typical) | Quality Points | Honors (+0.5) | AP / College (+1.0) |
|---|---|---|---|---|
| A+ / A | 93 – 100% | 4.0 | 4.5 | 5.0 |
| A- | 90 – 92.9% | 3.7 | 4.2 | 4.7 |
| B+ | 87 – 89.9% | 3.3 | 3.8 | 4.3 |
| B | 83 – 86.9% | 3.0 | 3.5 | 4.0 |
| B- | 80 – 82.9% | 2.7 | 3.2 | 3.7 |
| C+ | 77 – 79.9% | 2.3 | 2.8 | 3.3 |
| C | 73 – 76.9% | 2.0 | 2.5 | 3.0 |
| C- | 70 – 72.9% | 1.7 | 2.2 | 2.7 |
| D+ | 67 – 69.9% | 1.3 | 1.8 | 2.3 |
| D | 60 – 66.9% | 1.0 | 1.5 | 2.0 |
| F | Below 60% | 0.0 | 0.0 | 0.0 |
Pass/Fail (P/NP), Incomplete (I), and Withdrawal (W) marks carry no grade points and are normally excluded from the GPA math entirely — your registrar's policy decides whether the attempted credits still count toward the denominator.
How Credit Hours Weight Your GPA
A GPA is a credit-weighted average, not a simple average of grades. A 4-credit science lecture moves your GPA more than a 1-credit seminar because its grade contributes four times as many quality points. Multiply each course's quality points by its credit hours, add the results, and divide by total attempted credits. The full derivation is in our how to calculate GPA guide and the GPA formula reference.
| Course | Credits | Grade | Quality Points | Weighted Points |
|---|---|---|---|---|
| Biology | 4 | A (4.0) | 16.0 | 16.0 |
| Calculus I | 4 | B+ (3.3) | 13.2 | 15.2 (Honors) |
| English Composition | 3 | A- (3.7) | 11.1 | 11.1 |
| World History | 3 | B (3.0) | 9.0 | 9.0 |
| Spanish II | 2 | C+ (2.3) | 4.6 | 4.6 |
| Total | 16 | — | 53.9 | 56.4 |
Unweighted: 53.9 ÷ 16 credits = 3.37 GPA. If Calculus I is an Honors course (+0.5 → 3.8 points), the total becomes 56.4 ÷ 16 = 3.53 weighted GPA. Notice how one honors course in a 16-credit term moved the average by 0.16 — weight multiplies quickly. To see exactly where that standing puts you on percentile bands, use the percentage to GPA converter or the printable GPA conversion chart.
Unweighted vs Weighted GPA
Unweighted GPA treats every course equally on a 4.0 ceiling, which makes it useful for comparing students who took completely different course loads. Weighted GPA rewards rigor by letting Honors and AP courses exceed the ceiling — that is why a 5.0 on a weighted scale is possible. College admissions offices often recalculate both their own way; our weighted vs unweighted GPA comparison walks through how that works. High school students should run their numbers in the high school GPA calculator, and college students in the college GPA calculator.
Semester GPA vs Cumulative GPA
A semester GPA covers one term's courses only. Your cumulative GPA is the credit-weighted average of every term so far, which is why one strong semester barely dents a three-year record while a small first-year GPA keeps dragging even after several good terms. To fold past semesters into your current one, use the cumulative GPA calculator or the semester GPA calculator.
How to Raise Your GPA
There is no shortcut past the arithmetic — GPA only improves when either your grades rise or your weight distribution changes. What follows is the practical playbook, ordered by impact.
Go to class — attendance is the cheapest GPA lever
Instructors routinely announce exactly what will be tested, drop hints about weighting, and share practice problems in person. Skipping lectures means paying back that information debt with extra study hours you could have spent on weaker courses.
Plan each course around its syllabus weight
Read the syllabus on day one and mark which assignments decide your grade. If the final is worth 40%, a strong finals week is worth more than every homework combined. The weighted grade calculator shows which category actually controls your course grade, and the weighted grades guide explains the math behind it.
Study in blocks and review weekly
- Schedule fixed study blocks per course instead of one long night before exams — spaced review retains far more than cramming.
- Re-derive problems from scratch each week; rereading notes creates recognition, not recall.
- Front-load the courses where you are weakest, because early low quiz scores are the cheapest to fix.
- After each graded item, recompute your standing so surprises never happen at term end.
Set a numeric target, then work backwards
Vague goals like "do better" do not survive a busy week. Pick the exact GPA you need — for a scholarship, athletic eligibility, or program admission — and check what it demands going forward with the GPA needed calculator. If a single upcoming exam stands between you and the grade, the final grade calculator and the what grade do I need on my final guide give you the exact score to aim for.
GPA FAQs
Still stuck on a specific rule — rounding, repeated courses, transfer credits, Latin honors cutoffs? The GPA FAQ answers the edge cases, and the academic glossary defines every term this page uses.