Calculate semester and cumulative weighted/unweighted GPA with target forecaster.
Execution runs 100% locally inside the browser sandbox using HTML5 Canvas, Web Cryptography Subtle API, and Web Workers. Zero egress.
Zero network latency. Operates completely offline with zero dependencies on third-party backend servers or cloud services.
Built according to official RFC specifications, cryptographic test vectors, and enterprise-grade data transformation standards.
Input course titles, select letter grades (A+, A, A-, B+...), and enter credit hours.
Choose Regular (4.0 scale), Honors (+0.5 boost), or AP/IB/College level (+1.0 boost).
Input your prior GPA and remaining credits to see the exact minimum GPA needed to reach your target.
Unweighted GPA calculates all courses on a standard 4.0 scale regardless of difficulty. Weighted GPA awards extra point boosts (up to 5.0) for rigorous Honors (+0.5) and Advanced Placement (AP/IB +1.0) courses.
GPA equals the total quality grade points earned (grade points multiplied by course credit hours) divided by total credit hours attempted.
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