Weighted GPA Calculator
With AP, IB & Honors Bonus
Calculate your weighted GPA including AP, IB, and Honors course bonuses — or your unweighted GPA on the standard 4.0 scale. See both side by side instantly. 100% free, no sign-up, works on any device.
How to Use the Weighted GPA Calculator
High school students taking AP, IB, or Honors courses have two GPA numbers that matter — their weighted GPA (which reflects the difficulty of their courses) and their unweighted GPA (the standard 4.0 scale). College admissions offices look at both. Our calculator shows you both side by side in one calculation.
What Is the Difference Between Weighted and Unweighted GPA?
This is one of the most searched questions by high school students — and for good reason. Both numbers appear on your transcript, both are used in college admissions, and students often do not know which one matters more or how each is calculated.
| Feature | Unweighted GPA | Weighted GPA |
|---|---|---|
| Maximum possible | 4.0 | 5.0 (typically) |
| Treats all courses equally? | Yes | No — harder courses earn bonus points |
| AP/IB course bonus | None | +1.0 added to grade points |
| Honors course bonus | None | +0.5 added to grade points |
| A in AP Calculus = | 4.0 | 5.0 (4.0 + 1.0 bonus) |
| A in Regular English = | 4.0 | 4.0 (no bonus) |
| Used by college admissions? | Yes — universally | Yes — shows course rigor |
| More reflective of course difficulty? | No | Yes |
"A 4.2 weighted GPA with rigorous AP courses is often more impressive to college admissions than a 4.0 unweighted GPA from all Regular-level courses. Colleges want to see both numbers and the courses behind them."
The Weighted GPA Formula
Weighted GPA adds bonus grade points to advanced courses before calculating the average:
Weighted GPA = Σ (Weighted Grade Points × Credits) ÷ Total Credits
Where Weighted Grade Points = Base Grade Points + Course Bonus (AP: +1.0, Honors: +0.5, Regular: +0.0)
Example: AP Calculus A (4.0 + 1.0 = 5.0) × 1 credit + Honors English B+ (3.3 + 0.5 = 3.8) × 1 credit + Regular History A- (3.7 + 0.0 = 3.7) × 1 credit = (5.0 + 3.8 + 3.7) ÷ 3 = Weighted GPA 4.17
The same courses on the unweighted scale: (4.0 + 3.3 + 3.7) ÷ 3 = Unweighted GPA 3.67
Weighted GPA Scale Reference
| Course Type | Grade A | Grade B | Grade C | Bonus Added |
|---|---|---|---|---|
| Regular | 4.0 | 3.0 | 2.0 | +0.0 |
| Honors | 4.5 | 3.5 | 2.5 | +0.5 |
| AP | 5.0 | 4.0 | 3.0 | +1.0 |
| IB | 5.0 | 4.0 | 3.0 | +1.0 |
| Dual Enrollment | 5.0 | 4.0 | 3.0 | +1.0 |
Real Weighted GPA Questions — Answered
Is a 4.2 weighted GPA good for college admissions?
Yes — a weighted GPA of 4.2 is strong and competitive at most colleges. It indicates you are taking advanced courses (AP, IB, or Honors) and performing well in them. For highly selective universities (Ivy League, top 20 schools), admitted students often have weighted GPAs of 4.5 or higher. However, admissions officers always look at both weighted and unweighted GPA together with the rigor of your course schedule.
Does taking a B in AP count more than an A in Regular?
Yes — on the weighted scale. A B in AP = 3.0 + 1.0 bonus = 4.0 weighted. An A in a Regular course = 4.0, no bonus = 4.0 weighted. They are equal on the weighted scale. However, the A in Regular gives you a 4.0 unweighted while the B in AP gives you only a 3.0 unweighted — which could hurt your unweighted GPA. Colleges see both numbers, so a B in AP is not always better than an A in Regular if it drops your unweighted GPA significantly.
How many AP courses do I need to have a competitive GPA?
There is no magic number — quality over quantity matters more. Taking 3 AP courses and earning all A grades (weighted GPA 5.0 in those courses) is better than taking 6 AP courses and earning mostly B and C grades. A general guideline for competitive colleges: 4 to 8 AP courses over four years of high school, with consistently strong performance in each.
Do colleges recalculate your GPA when reviewing your application?
Yes — many selective colleges recalculate your GPA on their own scale to compare applicants fairly. Some colleges only use the unweighted 4.0 scale. Others use their own weighted system. The University of California system, for example, caps the weighted GPA at 5.0 and only counts AP/IB/Dual Enrollment courses, not Honors. This is why the courses themselves — not just the GPA number — matter in admissions.
Important: Not all high schools use the same weighting system. Some give +0.5 for AP and +0.3 for Honors. Always check your specific school's policy to set the correct bonus values in our calculator.
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