How is GPA calculated from letter grades?

Each letter grade corresponds to a numeric point value (e.g., A=4.0, B=3.0). Multiply each grade point by the course credit hours, sum them, and divide by total credits.

Student Tools 100% Free & Privacy-First

GPA / CGPA Calculator

Calculate college semester GPA and cumulative CGPA supporting 4.0 (US) and 10.0 (India/Global) grading scales.

GPA / CGPA Calculator Interactive Workspace

Client-side calculations and instant parameter controls are initializing. All processing occurs securely in your browser.

How to Use the GPA / CGPA Calculator

1 Select your grading scale: 4.0 Scale (US / Global) or 10.0 Scale (Indian CGPA).
2 Enter course names, credit hours, and select letter grades.
3 Add or remove courses dynamically.
4 View your calculated GPA, total credit hours, and total grade points earned.

Mathematical Formula & Principle

GPA = Σ (Course Credit × Grade Points) / Σ Total Course Credits

Calculations are performed with IEEE floating point mathematical precision directly in your device memory.

Worked Examples

4-Course Semester (4.0 Scale)

Input: Math (4 cr, A), Physics (3 cr, B+), CS (4 cr, A+), English (3 cr, A-)

Result: GPA: 3.76 / 4.0 (Total Credits: 14)

Weighted calculation based on credit hours and grade points.

Frequently Asked Questions

How is GPA calculated from letter grades?: Each letter grade corresponds to a numeric point value (e.g., A=4.0, B=3.0). Multiply each grade point by the course credit hours, sum them, and divide by total credits.

Related Student Tools Utilities

View All in Student Tools →

Percentage Calculator

Calculate percentages, percentage increase, percentage decrease, and academic exam marks percentage instantly.

Fraction Calculator

Add, subtract, multiply, and divide fractions with instant simplification, mixed number display, and decimal values.

Word Counter

Analyze word count, character count, sentence count, paragraph count, and estimated reading time.