Quick & Free Easy Grading Calculator
A grade calculator is an academic tool used to determine student performance based on total questions, correct answers, or weighted scoring systems.
All possible grade outcomes (from 20 correct to 0 correct)
| Right | Wrong | Percentage | Grade |
|---|---|---|---|
| 20 | 0 | 100% | A+ |
| 19 | 1 | 95% | A |
| 18 | 2 | 90% | A- |
| 17 | 3 | 85% | B+ |
| 16 | 4 | 80% | B |
| 15 | 5 | 75% | B- |
| 14 | 6 | 70% | C+ |
| 13 | 7 | 65% | C |
| 12 | 8 | 60% | C- |
| 11 | 9 | 55% | D+ |
| 10 | 10 | 50% | D |
| 9 | 11 | 45% | D- |
| 8 | 12 | 40% | F |
| 7 | 13 | 35% | F |
| 6 | 14 | 30% | F |
| 5 | 15 | 25% | F |
| 4 | 16 | 20% | F |
| 3 | 17 | 15% | F |
| 2 | 18 | 10% | F |
| 1 | 19 | 5% | F |
| 0 | 20 | 0% | F |
Types of Grade Calculations You Can Perform
Percentage Grade Calculation: Convert raw scores like 18/20 into percentages instantly.
Letter Grade Conversion:Convert percentages into A, B, C, D, or F.
Weighted Grade Calculation:Calculate grades where assignments carry different weights.
GPA Estimation:Estimate GPA using your grading scale.
How the Grade Calculator Works
Enter the total number of questions.
Click Calculate.
View percentage results instantly.
Check your final letter grade.
Types of Grade Calculations You Can Perform
Instant accurate results
No registration required
Mobile friendly
Custom grading scale support
No data stored
Frequently Asked Questions
How do I calculate my grade percentage?
Divide correct answers by total questions and multiply by 100.
Is this grade calculator free?
Yes, it is completely free.
Does it store my data?
No, all calculations happen locally in your browser.