About GradeCalcLab
GradeCalcLab is a free collection of grade and GPA calculators built for students, teachers, and parents who need quick, accurate answers without clutter or paywalls.
Our Story
GradeCalcLab started from a simple frustration. Existing grade calculators online were either cluttered with aggressive ads, missing essential features like weighted categories, or gave a single number without explaining the underlying math.
We wanted something better — tools designed specifically around the real questions students ask every semester: What's my current grade? How do AP and Honors classes affect my cumulative GPA? What do I need on my final exam to keep my A?
Every calculator on this platform displays the transparent formulas behind every calculation, giving students full control over their academic tracking.
What You'll Find Here
We provide comprehensive solutions across standard grading systems and major school management portals:
Grade & Quiz Calculators
Convert raw scores, quiz points, and total questions into instant letter grades and percentages.
Weighted & Unweighted GPA Tools
Support for standard 4.0, 4.33, and 5.0 AP/IB scales, including specialized logic for Skyward, Infinite Campus, and Canvas portals.
Final Exam & Target Grade Planning
Project exactly what score you need on upcoming finals or term assignments to achieve your target course grade.
Attendance & Grade Curves
Track attendance percentages against school requirements and understand curved test score models effortlessly.
Our Approach & Privacy
Every tool on GradeCalcLab is 100% free with no registration or sign-up required. All calculations run client-side directly within your web browser — we never store, collect, or transmit your individual grades or private student data.
Our focus is singular: providing accurate, fast, and transparent answers to help you plan your academic progress with confidence.
Get In Touch
Have a suggestion for a new feature or found a formula edge case? We'd love to hear your feedback.