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Weighted GPA Calculator

Calculate weighted GPA reflecting the academic rigor of Advanced Placement (AP), International Baccalaureate (IB), and Honors courses.

Grading Mode:
Course NameCreditsGradeCourse TypeActions
Calculated GPA
0.00
Total Credits0
Total Quality Points0.00
Grading ScaleStandard 4.0 Scale
How was this GPA calculated?

Grade Point Average (GPA) is computed by dividing total quality points earned by total credit hours attempted:

GPA=
Total Quality PointsTotal Credit Hours
=
∑ (Course Credits × Grade Points)∑ Course Credits

Each course earns quality points equal to its credit hours multiplied by its numeric grade point value (e.g., 3 credits × 4.0 for an A = 12.0 quality points).

Understanding Weighted GPA Scale Bonuses

Weighted GPAs reward students for undertaking college-level coursework in secondary school. The standard weighting model adds a positive offset to the unweighted 4.0 base points:

Regular / College Prep (4.0)

Standard high school courses receive no extra weight. An A = 4.0, B = 3.0, C = 2.0, D = 1.0, F = 0.0.

Honors Courses (4.5)

Accelerated and Honors courses receive a +0.5 bonus. An A = 4.5, B = 3.5, C = 2.5, D = 1.5.

AP / IB / DE (5.0)

College-level classes receive a full +1.0 bonus. An A = 5.0, B = 4.0, C = 3.0, D = 2.0.

Frequently Asked Questions

Key takeaway: In high school, top 1% typically requires a 4.0 unweighted GPA or a 4.5–4.9+ weighted GPA. In college, it is generally 3.90–4.00.

Class rank thresholds depend heavily on school competitiveness and course weighting policies. In high schools with heavy AP/IB participation, students in the top 1% take nearly all advanced coursework, yielding weighted GPAs between 4.6 and 5.0. In university programs, top 1% graduates (Summa Cum Laude) typically maintain a 3.92 to 4.00.

Key takeaway: Yes, a 5.0 GPA is possible in weighted high school grading systems when taking Advanced Placement (AP), International Baccalaureate (IB), or Dual Enrollment courses.

On an unweighted scale, the maximum is always 4.0 (all A’s). However, many high schools award a 1.0 quality point bonus for AP/IB courses (turning an A from 4.0 to 5.0). A student taking exclusively AP/IB courses and earning straight A’s will graduate with a 5.0 weighted GPA.

Key takeaway: An unweighted 4.0 (straight A’s throughout an entire academic career) is relatively rare, achieved by roughly 2% to 10% of students depending on institutional rigor.

Maintaining an unweighted 4.0 requires earning an A or A+ in every single class without receiving a single A- (on strict plus/minus scales) or B. In college, especially in rigorous STEM or pre-med curricula, a 4.0 cumulative GPA is an exceptional achievement.

Key takeaway: Yes, a 4.7 GPA is achievable on weighted high school grading scales that add extra grade points for honors (0.5) and AP/IB (1.0) courses.

If a high school student completes 14 AP/IB classes with all A’s (5.0 each) and 6 regular required classes with all A’s (4.0 each), their weighted GPA will be (14×5.0 + 6×4.0) / 20 = 94 / 20 = 4.70. It is impossible on an unweighted 4.0 scale.

Key takeaway: Unweighted GPA evaluates all classes on a 0.0 to 4.0 scale regardless of difficulty, while Weighted GPA awards extra quality points (up to 5.0) for honors, AP, and IB coursework.

In an unweighted system, an "A" in an introductory elective and an "A" in AP Chemistry both receive 4.0 points. In a weighted system, advanced courses receive extra weighting (typically +0.5 for honors and +1.0 for AP/IB) to reward academic challenge and reflect course rigor.