GPA Calculator with Weighted & Unweighted
Compare your Weighted GPA (up to 5.0) and Unweighted GPA (4.0) side-by-side with real-time course rigor delta analysis (+1.0 AP/IB, +0.5 Honors).
Comparing standard 4.0 performance against course rigor boost.
Academic standing
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Knowing how to calculate a weighted GPA gives you an accurate assessment of how high school honors, Advanced Placement (AP), and International Baccalaureate (IB) courses elevate your college admissions profile. A weighted scale awards additional quality points above the standard 4.0 ceiling based on course difficulty:
Rigor Weight Bonus: AP / IB = +1.0 | Honors = +0.5 | Regular = +0.0
Assign Base Grade Points
Start with the standard unweighted 4.0 scale: A = 4.0, B = 3.0, C = 2.0, D = 1.0, and F = 0.0 (with plus/minus adjustments if applicable).
Add Difficulty Weight
Add +1.0 point for AP, IB, and dual-enrollment college classes (an A equals 5.0). Add +0.5 points for Honors classes (an A equals 4.5).
Compute Weighted Points
Multiply the course’s weighted grade value by the course credit hours (e.g. 1.0 credit for a full-year class or 0.5 for a semester class).
Divide by Total Credits
Sum all weighted quality points and divide by the total number of credits attempted to determine your cumulative weighted GPA.
Consider a student taking 5 classes (1 credit each): AP English Literature (A), AP Calculus BC (A-), AP Chemistry (B+), Honors US History (A), and Spanish IV Honors (A).
Unweighted Points: 4.0 + 3.7 + 3.3 + 4.0 + 4.0 = 19.0 points ÷ 5 = 3.80 Unweighted GPA.
Weighted Points: 5.0 (AP) + 4.7 (AP) + 4.3 (AP) + 4.5 (Honors) + 4.5 (Honors) = 23.0 points ÷ 5 = 4.60 Weighted GPA.
Honors Boost Delta: The student achieves an impressive +0.80 GPA boost from taking challenging coursework.
Weighted to Unweighted GPA Conversion Chart (4.0 vs 5.0 Scale)
Use this comprehensive comparison table to see how letter grades translate across standard regular (4.0), Honors (+0.5), and AP/IB (+1.0) weighting scales:
| Letter Grade | Percentage | Regular (Unweighted 4.0) | Honors (+0.5) | AP / IB (+1.0) | Rigor Boost |
|---|---|---|---|---|---|
| A+ | 97–100% | 4.00 | 4.50 | 5.00 | +1.00 |
| A | 93–96% | 4.00 | 4.50 | 5.00 | +1.00 |
| A- | 90–92% | 3.70 | 4.20 | 4.70 | +1.00 |
| B+ | 87–89% | 3.30 | 3.80 | 4.30 | +1.00 |
| B | 83–86% | 3.00 | 3.50 | 4.00 | +1.00 |
| B- | 80–82% | 2.70 | 3.20 | 3.70 | +1.00 |
| C+ | 77–79% | 2.30 | 2.80 | 3.30 | +1.00 |
| C | 73–76% | 2.00 | 2.50 | 3.00 | +1.00 |
| C- | 70–72% | 1.70 | 2.20 | 2.70 | +1.00 |
| D+ | 67–69% | 1.30 | 1.80 | 2.30 | +1.00 |
| D | 65–66% | 1.00 | 1.50 | 2.00 | +1.00 |
| F | Below 65% | 0.00 | 0.00 | 0.00 | +0.00 |
Weighted GPA in High School: How Colleges Evaluate Course Rigor
Selective universities look far beyond a single cumulative number. Admissions committees analyze the interplay between your unweighted GPA (consistency) and weighted GPA (intellectual courage):
Private & Ivy League Review
Evaluates every AP and IB course without limits, allowing weighted GPAs to climb to 4.70+ and assessing whether you tackled the hardest classes available.
University of California (UC)
Applies an 8-semester maximum cap on honors grade points earned in 10th and 11th grade, leveling the playing field across different high schools.
NCAA & State Merit Cutoffs
NCAA Eligibility Center and many state scholarship programs evaluate strictly unweighted 4.0 GPAs to ensure standardized minimum academic benchmarks.
High School GPA Calculator
Calculate your complete 4-year high school transcript with custom credit hours, graduation requirements, and UC GPA rules.
Cumulative GPA Calculator
Combine your prior cumulative GPA and earned credits with this term’s grades to project your updated graduation standing.
Frequently Asked Questions
Everything you need to know about course weighting, scales, and college reporting.