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GPA Calculator

Calculate your weighted and unweighted GPA. Supports regular, honors, and AP/IB courses on a 4.0 scale.

Live Results

Real-Time

Weighted GPA

4.00

Unweighted GPA

4.00

Total Credits

6

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Courses

Course NameGradeCreditsTypeActions

How to Use the GPA Calculator

  1. 1

    Add each course by clicking the "+ Add Course" button.

  2. 2

    Enter the course name (optional), select your letter grade, and enter the credit hours.

  3. 3

    Select the course type: Regular, Honors (+0.5 bonus), or AP/IB (+1.0 bonus).

  4. 4

    Your weighted and unweighted GPA updates automatically as you add courses.

Formula & Mathematical Basis

GPA = Σ (Grade Points × Credit Hours) ÷ Σ (Credit Hours) Weighted Grade Points = Standard Points + Difficulty Bonus (Honors +0.5, AP/IB +1.0)

Variable Key

GP

Grade points for a letter grade: A=4.0, B=3.0, C=2.0, D=1.0, F=0.0

CH

Credit hours assigned to a single course (typically 0.5–6)

Σ

Sum over all courses in the grading period

Bonus

Difficulty weighting added to grade points for advanced course types

📝 The 4.0 scale is standard in the US. Some schools use a 5.0 scale for AP courses instead of a weighted 4.0+ approach. Always confirm your school's specific scale before reporting GPA on applications.

Step-by-Step Examples

1

Typical semester — three courses

Scenario: AP Calculus (A, 4 credits), English Honors (B+, 3 credits), PE (A, 1 credit).

  1. 1.AP Calculus: A = 4.0 + 1.0 bonus = 5.0 weighted; 5.0 × 4 = 20.0.
  2. 2.English Honors: B+ = 3.3 + 0.5 bonus = 3.8 weighted; 3.8 × 3 = 11.4.
  3. 3.PE: A = 4.0; 4.0 × 1 = 4.0.
  4. 4.Weighted GPA = (20.0 + 11.4 + 4.0) ÷ (4 + 3 + 1) = 35.4 ÷ 8 = 4.43.
  5. 5.Unweighted GPA = (16 + 9.9 + 4) ÷ 8 = 29.9 ÷ 8 = 3.74.
✅ Weighted GPA: 4.43 | Unweighted GPA: 3.74

Practical Use Cases

  • College and university admissions applications
  • Scholarship and financial aid eligibility verification
  • Academic probation and honour roll determination
  • Graduate school candidacy screening
  • Predicting cumulative GPA after planned future courses
  • Employer background checks for recent graduates

Common Mistakes to Avoid

  • Forgetting to match credit hours to each course — a simple average of grades ignores course weight.
  • Using the wrong grade-point scale — confirm whether your school uses 4.0, 5.0, or 100-point equivalents.
  • Including Pass/Fail courses that do not earn quality points in a GPA calculation.
  • Confusing semester GPA with cumulative GPA — each needs its own credit-hour total.

Glossary of Terms

GPA (Grade Point Average)
A numeric summary of academic achievement calculated as a weighted mean of grade points across all enrolled credit hours.
Credit Hours
The unit of academic credit representing one hour of classroom instruction per week per semester, used to weight each course in GPA calculations.
Weighted GPA
A GPA calculation that applies bonus grade points for advanced courses (Honors, AP, IB) to reward academic rigor.
AP (Advanced Placement)
College Board courses taken in high school that offer college-level curriculum and an optional standardised exam for potential college credit.

Frequently Asked Questions

What is the difference between weighted and unweighted GPA?

▾
Unweighted GPA uses a standard 4.0 scale for all courses. Weighted GPA gives bonus points for harder courses: +0.5 for Honors and +1.0 for AP/IB courses, meaning it can exceed 4.0.

What GPA do I need for college?

▾
Most selective universities look for a weighted GPA of 3.5 or higher. Highly selective schools often see applicants with 4.0+ weighted GPAs. However, GPA is just one factor in admissions.

How are credit hours used in GPA calculation?

▾
Credit hours weight each course. A 4-credit course counts more than a 1-credit course. GPA = (sum of grade points × credits) ÷ (total credits).

What letter grade is needed for a 3.0 GPA?

▾
A B (3.0 grade points) in every course would give a 3.0 GPA. Mixing A and C grades can also average to 3.0, depending on course weights.

Sources & References

  1. [1]
    Understanding the GPA Scale— College Board, 2024
  2. [2]
    High School GPA and College Success— ACT Research & Policy, 2022

CalculatorFree Academic TeamEducation Research & College Admissions Guidance

GPA methodology reviewed against College Board and NACAC standards.

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