Calculate Grades
with Zero Stress
Free, instant, and 100% accurate grade calculators for students and teachers. No login. No downloads. No fees.
All Grade Calculators
Pick the right tool for your need. All calculators are free, instant, and work on any device.
EZ Grader Calculator
Score quizzes and tests instantly. Enter total questions and wrong answers — get grade percentage and letter grade in seconds.
Average Grade Calculator
Calculate your weighted average grade across multiple assignments, quizzes, and exams with custom weight percentages.
Final Grade Calculator
Find out exactly what score you need on your final exam to hit your target overall grade. Reduce exam stress instantly.
GPA Calculator
Compute your semester GPA and cumulative GPA using letter grades and credit hours on the standard 4.0 scale.
Built for Accuracy,
Designed for Everyone
Whether you're a high school student or a university professor, GradeGenius makes grade management effortless and error-free.
Instant Results
Grades calculated in milliseconds. No waiting, no page reloads, no delays.
100% Accurate
Eliminates manual calculation errors. Our math is verified and reliable every time.
Mobile-Friendly
Works perfectly on phones, tablets, and desktops — wherever you are.
Always Free
No subscriptions, no sign-ups, no hidden fees. Free forever.
Flexible Scales
Supports standard A–F, percentage-based, and custom grading scales.
Decimal Support
Full decimal precision for partial credit and complex grading scenarios.
Standard Grading Scale
The most commonly used grading scale in the United States. Used by most high schools and colleges.