GPA Calculator

This calculator helps students compute both weighted and unweighted Grade Point Average (GPA) for high school or college transcripts. You enter each course name, the letter grade received, the number of credit hours, and the course difficulty level (regular, honors, or AP/IB). The tool instantly calculates your unweighted GPA on a standard 4.33 scale and your weighted GPA, which accounts for extra points in advanced classes. It is designed for quick semester planning, transcript review, and college application preparation.

GPA calculation begins by converting each letter grade into quality points. On the standard 4.0 scale, an A equals 4.0, a B equals 3.0, a C equals 2.0, a D equals 1.0, and an F equals 0. Plus and minus modifiers adjust these values by 0.33 in either direction, so a B+ becomes 3.33 and a B- becomes 2.67. To find the unweighted GPA, multiply each course's quality points by its credit hours, sum the results, and divide by the total number of credits attempted.

Weighted GPA introduces an additional layer. Many U.S. high schools add 0.5 quality points for honors courses and 1.0 point for AP or IB courses. Under this system, a B in an AP class is worth 4.0 rather than 3.0. Some districts use alternate scales, such as a 5.0 or 6.0 maximum, so students should verify their school's specific policy. Percentage-based grades can be approximated to letter grades using common cutoffs: 90-100% is an A, 80-89% is a B, 70-79% is a C, 60-69% is a D, and below 60% is an F.

Consider a student taking four courses in one semester: English (A, 4 credits, regular), Math (B+, 4 credits, honors), Science (A-, 4 credits, AP), and History (B, 3 credits, regular). The unweighted calculation is: (4.0 × 4) + (3.33 × 4) + (3.67 × 4) + (3.0 × 3) = 16.0 + 13.32 + 14.68 + 9.0 = 53.0 quality points. Dividing by 15 total credits gives an unweighted GPA of 3.53. For the weighted calculation, honors adds 0.5 and AP adds 1.0: (4.0 × 4) + (3.83 × 4) + (4.67 × 4) + (3.0 × 3) = 16.0 + 15.32 + 18.68 + 9.0 = 59.0. Dividing by 15 gives a weighted GPA of 3.93.

Students rely on GPA calculations at several critical junctures. During college admissions, universities use GPA as a primary filter to assess academic readiness. A strong GPA, especially one that includes weighted honors and AP courses, signals to admissions committees that an applicant can handle rigorous coursework. Competitive institutions often report median GPAs for admitted freshmen, so calculating your own figure early allows you to target realistic schools and plan finances with tools like our compound interest calculator or student loan calculator.

Scholarship eligibility is another major use case. Merit-based awards frequently set minimum GPA thresholds, sometimes as high as 3.5 or 3.7, and renewable scholarships often require students to maintain a specific average each year. Grad school applicants face similar scrutiny: many master's and doctoral programs list minimum GPAs around 3.0, while top-tier law and medical schools expect averages well above that.

Employers in finance, consulting, and competitive internship programs sometimes request transcripts or GPA cutoffs during screening. Even when not mandatory, listing a strong GPA on a resume can differentiate a candidate. Finally, current students should calculate their GPA each semester to track academic progress, identify trends, and set concrete goals for improvement before the next registration period.

For authoritative guidance on grading scales, college admissions requirements, and academic standards, see the College Board.