GradeGenius
100% Free
✨ The Smartest Grade Calculator Online
Calculate Your Grades Instantly
Easy Grader · Average · Final Grade · Weighted Grades · GPA — all in one beautiful tool
5Calculators
100%Free Forever
⚡Instant Results
📝 Easy Grader
Enter total questions and wrong answers for an instant score
10/10
100%
A+
Outstanding! Perfect score!
0%50%100%
# Wrong
Grade
📊 Average Grade Calculator
Enter grades (as percentages) to calculate your average
🎯 Final Grade Calculator
Find out what score you need on your final exam to hit your target grade
⚖️ Weighted Grade Calculator
Calculate your grade when assignments have different weights
Assignment / Category
Grade (%)
Weight (%)
🏆 GPA Calculator
Calculate your semester or cumulative GPA on a 4.0 scale
Course Name
Letter Grade
Credit Hours
📚 Standard Grading Scale Reference
A+
97–100%
A
93–96%
A−
90–92%
B+
87–89%
B
83–86%
B−
80–82%
C+
77–79%
C
73–76%
C−
70–72%
D+
67–69%
D
63–66%
F
Below 60%
Why Students Love GradeGenius
Built for students, teachers, and parents who want instant clarity
Instant Results
Updates as you type — zero lag, zero wait.
Mobile-First
Perfectly responsive on phones, tablets, and desktops.
100% Private
All calculations run locally. No data ever leaves your browser.
5 Calculators
Easy Grader, Average, Final, Weighted, GPA — all in one.
Visual Feedback
Color-coded grades, progress bars, and letter grades.
No Sign-Up
Free forever. No account, no email, no strings attached.