GPA Calculator
Calculate your GPA on a 4.0 scale. Enter up to 8 courses with grades and credit hours.
GPA formula.
How Grade Point Averages are Calculated
Your Grade Point Average (GPA) is a standard numerical representation of your academic performance in high school or college. Calculated on a scale from 0.0 to 4.0, a GPA represents your average grade across all classes. Knowing how to calculate your GPA helps you monitor academic standing, track progress toward graduation requirements, evaluate university admissions eligibility, and qualify for honors programs or scholarships.
Weighted vs. Unweighted GPAs
An unweighted GPA is calculated on a standard 4.0 scale regardless of class difficulty, where an A is 4.0, a B is 3.0, and so on. A weighted GPA accounts for course rigor, assigning extra grade points for Advanced Placement (AP), International Box (IB), or Honors courses (typically mapping an A to 5.0 for AP classes). This calculator supports credit-hour weighting to accurately reflect the academic impact of longer, multi-credit lecture courses.
Formula for Weighted Credit GPAs
To calculate GPA, grade points are multiplied by the credit hours assigned to each class to produce "quality points." The sum of these quality points is then divided by the total number of credit hours attempted. For example, earning an A (4.0) in a 4-credit course and a B (3.0) in a 3-credit course yields (4×4) + (3×3) = 25 quality points. Dividing 25 by 7 total credits gives a GPA of 3.57. Our tool automates this weighted math instantly.
Frequently Asked Questions
GPA (Grade Point Average) is calculated by converting each letter grade to a numeric grade point (e.g., A = 4.0, B = 3.0, C = 2.0), multiplying each grade point by the course credit hours, summing all grade-point-credits, then dividing by the total credit hours: GPA = Σ(Grade Points × Credits) / Σ(Credits). This gives a weighted average reflecting course difficulty and credits.
Unweighted GPA uses a standard 4.0 scale where all courses are treated equally (A = 4.0 regardless of difficulty). Weighted GPA gives extra points for advanced courses: AP or IB courses typically add 0.5–1.0 points (so an A in AP = 4.5 or 5.0). College applications often consider both, but most GPA calculators compute the unweighted 4.0 scale.
Common US conversion: 93–100% = A (4.0), 90–92% = A− (3.7), 87–89% = B+ (3.3), 83–86% = B (3.0), 80–82% = B− (2.7), 77–79% = C+ (2.3), 73–76% = C (2.0), 70–72% = C− (1.7), 67–69% = D+ (1.3), 63–66% = D (1.0), 60–62% = D− (0.7), below 60% = F (0.0). International conversion scales vary.
Requirements vary by institution: highly selective universities (Ivy League, MIT, Stanford) typically expect 3.9–4.0 unweighted GPA; selective universities generally look for 3.5–3.9; moderately selective schools accept 3.0–3.5; open enrollment colleges admit most students regardless of GPA. Always check the specific requirements of each institution you are applying to.
An F (0.0) can significantly drag down your GPA, especially for high-credit courses. For example, if you have a 3.5 GPA over 30 credits and fail a 3-credit course, your new GPA would be (3.5 × 30 + 0.0 × 3) / (30 + 3) = 105/33 = 3.18 — a drop of 0.32 points. Retaking the course and earning a better grade can help repair your GPA over time.