GPA Calculator

A GPA is not the average of your grades; it is the average weighted by credit hours, which is why a low grade in a four-credit course hurts more than the same grade in a one-credit seminar. This calculator applies the standard US four-point scale across six courses and returns the credit-weighted GPA, the total credits earned and the range of grades included.

The weighting works like this: each letter grade converts to a number of quality points on the four-point scale, that number is multiplied by the course's credit hours to give grade points, the grade points are summed, and the total is divided by the total credit hours. An A in a three-credit course contributes 12 grade points; a C in the same course contributes 6. The GPA is the ratio of the two totals.

Different institutions use slightly different scales. Some count an A− as 3.7, others as 3.67; some add a half point for honours or Advanced Placement courses in high school, known as a weighted GPA, which is why a high-school GPA can exceed 4.0. This tool uses the common college scale where an A is 4.0, and it does not apply honours weighting.

To use it for planning, enter the courses you have completed to see your current standing, then change a single grade to see what a better outcome would have produced. The arithmetic is unforgiving late in a degree: with 90 credits completed, one course barely moves the number, which is why GPA repair is easiest early. Always confirm your own school's scale and rounding rules before relying on the figure.

This calculator is an educational estimator. It is not financial, medical, tax, or legal advice, and it does not account for fees, local rules, or your personal circumstances. Confirm decisions with a qualified professional.