Percentage Grade Calculator
Convert points earned into a percentage grade instantly. Enter your score and the total points.
What is a Percentage Grade Calculator?
A percentage grade calculator converts the points you earned on an assignment, exam, or course into a percentage grade. It answers the essential question: “What percentage did I score?” by dividing the points earned by the total points available and multiplying by 100. This is the most common grading method used in schools, universities, and online courses around the world.
How to Use the Percentage Grade Calculator
- Enter the points you earned (for example, 85)
- Enter the total points possible (for example, 100)
- Click Calculate Grade to see your percentage and letter grade instantly
Percentage Grade Formula
- Percentage = (Points Earned ÷ Total Points) × 100
Example Calculation
| Item | Value |
|---|---|
| Points earned | 85 |
| Total points | 100 |
| Percentage | 85% |
| Letter grade | B |
Letter Grade Scale
| Percentage | Letter Grade |
|---|---|
| 93–100% | A |
| 90–92% | A− |
| 87–89% | B+ |
| 83–86% | B |
| 80–82% | B− |
| 77–79% | C+ |
| 73–76% | C |
| 70–72% | C− |
| 60–69% | D |
| Below 60% | F |
Why Use a Percentage Grade Calculator?
Students rely on percentage grade calculators to understand their performance on individual assignments and to estimate their overall course standing. Teachers use them to convert raw scores quickly and consistently. Because the formula is universal, the same calculator works for a quiz worth 20 points, a midterm worth 150 points, or a final worth 300 points.
How This Calculator Works
This tool uses the simple percentage formula: it divides the points you entered as earned by the total points, then multiplies by 100. It immediately displays both the percentage and the corresponding letter grade using the standard 10-point grading scale. No data leaves your browser — every calculation happens instantly on your device, so it is private, fast, and always available.
Frequently Asked Questions
How do I calculate my percentage grade?
Divide the points you earned by the total points possible, then multiply by 100. For example, if you earned 45 out of 50 points, your grade is (45 ÷ 50) × 100 = 90%.
What is a good percentage grade?
In most systems, 90% and above is excellent (A), 80–89% is good (B), and 70–79% is average (C). Standards vary by school and country.
Can this calculator handle extra credit or partial points?
Yes. You can enter any earned points value, including partial credit. Just make sure the earned points do not exceed the total for the percentage to stay meaningful.