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Calculate semester or cumulative Grade Point Average (GPA) based on course letter grades, credits, and quality points.
On the standard 4.0 scale, each letter grade maps directly to a numerical quality point value:
Optional plus/minus scales assign A- = 3.7, B+ = 3.3, B- = 2.7, C+ = 2.3, and C- = 1.7.
Multiply the course grade point value by the credit hours awarded for the class:
An A in a 4-credit course earns 4.0 × 4 = 16.0 Grade Points.
Sum all earned quality points and divide by the total completed credit hours:
41.0 Total Points ÷ 13 Total Credits = 3.15 GPA.
Higher-credit classes (such as 4-credit STEM lab courses or 5-credit studio workshops) exert a significantly larger mathematical impact on your cumulative average than 1-credit seminars.
Grade Point Average (GPA) Calculator. Calculate cumulative and semester Grade Point Average (GPA) on standard 4.0 weighted and unweighted academic scales. ZechKit provides this tool completely free and online, optimized for instant, accurate computations directly inside your web browser.
A Grade Point Average (GPA) Calculator computes cumulative academic performance on a standard 4.0 scale by weighting course letter grades against credit hours.
Standard 4.0 Grade Point Scale: A (4.0), A− (3.7), B+ (3.3), B (3.0), B− (2.7), C+ (2.3), C (2.0), C− (1.7), D+ (1.3), D (1.0), F (0.0).
Calculation Formula: Grade Points per Course = Course Grade Value × Credit Hours. Semester GPA = Total Grade Points Earned / Total Credit Hours Attempted.
Weighted vs. Unweighted GPA: Unweighted GPA caps all courses at 4.0; weighted GPA awards bonus points (+0.5 for Honors, +1.0 for AP/IB courses, scaling up to 5.0) to reflect rigorous coursework.
How is GPA calculated on a 4.0 scale?
Multiply each course's grade point value by its credit hours, add all course points together, and divide by total credit hours attempted.
