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Grade Percentage Calculator

Convert any raw score to a percentage grade in seconds. Enter your points earned and total possible points to get your percentage, letter grade, and GPA equivalent.

Standard Grading Scale

A: 90 – 100%GPA 4.0B: 80 – 89%GPA 3.0C: 70 – 79%GPA 2.0D: 60 – 69%GPA 1.0F: below 60%GPA 0.0

Quick answer

To calculate a grade percentage, divide the points earned by the total possible points, then multiply by 100. For example, scoring 45 out of 50 gives (45 ÷ 50) × 100 = 90%, which is an A. Most grading scales assign A for 90–100%, B for 80–89%, C for 70–79%, D for 60–69%, and F for below 60%. This formula works for any quiz, test, exam, or assignment regardless of the total point value.

Formula & method

Grade % = (Points Earned ÷ Total Points) × 100
  • Points Earned — The number of points you received on the assignment or exam
  • Total Points — The maximum possible points for the assignment or exam
  • Grade % — Your score expressed as a percentage out of 100

Converts raw score to a 0–100 percentage scale. Works for any point total.

Examples

Example 1: Quiz: 45 out of 50
Input
Points Earned = 45, Total Points = 50
Result
90.00% — A
Why
(45 ÷ 50) × 100 = 90.00%. A score of 90% falls in the A range (90–100%), indicating excellent performance on the quiz.
Example 2: Midterm Exam: 78 out of 120
Input
Points Earned = 78, Total Points = 120
Result
65.00% — D
Why
(78 ÷ 120) × 100 = 65.00%. A score of 65% falls in the D range (60–69%), meaning the student passed but with a below-average performance.
Example 3: Assignment: 33 out of 40
Input
Points Earned = 33, Total Points = 40
Result
82.50% — B
Why
(33 ÷ 40) × 100 = 82.50%. A score of 82.5% falls in the B range (80–89%), reflecting good, above-average work on the assignment.
Example 4: Test: 19 out of 25
Input
Points Earned = 19, Total Points = 25
Result
76.00% — C
Why
(19 ÷ 25) × 100 = 76.00%. A score of 76% falls in the C range (70–79%), indicating satisfactory but average performance.

Frequently asked questions

How do I calculate my grade as a percentage?

Divide your points earned by the total possible points, then multiply by 100. For example, if you scored 38 out of 50, your grade is (38 ÷ 50) × 100 = 76%.

What percentage is an A grade?

In the standard US grading scale, an A is typically 90% or above. Some schools use a stricter scale where an A requires 93% or higher, while others use 90% as the cutoff.

What is a passing grade percentage?

A passing grade is typically 60% or higher in most US educational institutions. However, some courses or programs may require a minimum of 70% or higher to pass.

How do I convert a percentage grade to a GPA?

On a 4.0 scale: 90–100% = 4.0 (A), 80–89% = 3.0 (B), 70–79% = 2.0 (C), 60–69% = 1.0 (D), below 60% = 0.0 (F). Some schools use plus/minus grades that shift these values by 0.3.

Can I score more than 100% on a grade?

Yes, if your teacher offers extra credit, your points earned can exceed the total possible points, resulting in a percentage above 100%. For example, 55 out of 50 = 110%.

How is a weighted grade percentage calculated?

For weighted grades, multiply each component's percentage by its weight, then sum the results. For example, if a midterm (40% weight) is 80% and a final (60% weight) is 90%, the weighted grade is (0.40 × 80) + (0.60 × 90) = 32 + 54 = 86%.

Sources & references

External references open in a new tab. We are independent and not affiliated with these organizations.

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