Points earned
The number of points awarded to you on the assignment, test, project, or other assessment.
EDUCATION CALCULATOR
Grade Calculator
Calculate your percentage and letter grade from points earned and points possible. See exactly how your score is calculated, where it falls on a common grading scale, and how many points are associated with your next target grade.
Enter Your Score
Convert points earned into a percentage and letter grade.
Your score
Enter the points you earned and the total points available.
Results update when you select Calculate Grade, so you can edit both values before committing a new result.
Your grade will appear here
Enter your points, then choose Calculate Gradeto see your percentage, letter grade, score breakdown, and target-grade planning.
What Is a Grade Calculator?
A grade calculator converts a points-based score into a percentage and then maps that percentage to a letter grade. It is useful for assignments, quizzes, exams, projects, labs, and other assessments where you know both the points you earned and the total points possible.
For example, if you earn 85 points out of 100, your percentage is 85%. Under the common scale used by this calculator, that result is a B. If your course uses a different grading policy, use your instructor's official scale when interpreting the result.
How to Calculate a Grade
The basic points-based formula is simple: divide the points earned by the points possible and multiply by 100.
Grade Percentage = (Points Earned ÷ Points Possible) × 100
This formula works because it expresses your earned points as a fraction of the total available points. A score of 45 out of 50 is therefore 90%, while 45 out of 100 is 45%.
Worked Example
Suppose an exam is worth 80 points and you earn 68 points:
(68 ÷ 80) × 100 = 85%
The calculator therefore reports an 85% score. Using the grading scale below, 85% corresponds to a B.
Common Letter Grade Scale
Calcuvix uses the following common percentage-based reference scale for this calculator:
| Letter | Percentage | Typical interpretation |
|---|---|---|
| A+ | 97–100% | Outstanding |
| A | 93–96.99% | Excellent |
| A- | 90–92.99% | Excellent |
| B+ | 87–89.99% | Very good |
| B | 83–86.99% | Good |
| B- | 80–82.99% | Good |
| C+ | 77–79.99% | Satisfactory |
| C | 73–76.99% | Satisfactory |
| C- | 70–72.99% | Passing |
| D+ | 67–69.99% | Below average |
| D | 63–66.99% | Below average |
| D- | 60–62.99% | Passing |
| F | Below 60% | Needs improvement |
Points Earned vs. Points Possible
The two numbers in a points-based grade are equally important. Points earned tells you what you received, while points possible tells you the size of the assessment. The same number of points can produce very different percentages when the total changes.
Points possible
The maximum number of points available for that assessment.
Percentage
Your earned points expressed as a percentage of the available points.
Letter grade
The percentage interpreted using the grading scale selected for the calculator.
How Many Points Can You Lose?
Points lost are calculated by subtracting your earned points from the points possible:
Points Lost = Points Possible − Points Earned
If an exam is worth 100 points and you earn 84, you lost 16 points. If the same exam is worth 120 points and you earn 84, you lost 36 points. That is why the percentage, rather than the raw point count, is usually the better way to compare scores across assessments.
What Score Do I Need for My Target Grade?
Once you know the total points possible, each percentage target can be converted into a point target. For example, on a 200-point exam, 90% corresponds to 180 points:
Target Points = Target Percentage × Points Possible
The interactive target planner above makes this easier by showing common thresholds such as 70%, 80%, 90%, 93%, and 97%. It can help you translate an academic goal into a concrete number of points.
Target Score Examples
| Assessment | Possible points | 80% | 90% | 93% |
|---|---|---|---|---|
| 50-point quiz | 50 | 40 | 45 | 46.5 |
| 100-point exam | 100 | 80 | 90 | 93 |
| 120-point project | 120 | 96 | 108 | 111.6 |
| 200-point final | 200 | 160 | 180 | 186 |
Grade Calculator vs. GPA Calculator
A grade calculator and a GPA calculator answer different questions. A grade calculator usually converts one points-based score into a percentage and letter grade. The GPA tool combines course grades, generally using credit hours and grade points, to estimate an overall grade point average.
If you are trying to determine how a new course grade could affect your academic average, start with this tool for the individual result and then use the overall GPA estimator for the broader academic picture.
Grade Calculator for Assignments, Tests, and Exams
The points method can be used for many types of schoolwork as long as the points earned and points possible are known. For a test where every question has the same value, the Test Grade Calculator can also be useful because it works directly from correct answers and total questions.
If your instructor gives different assignments different weights, a simple points ratio may not represent your overall course grade. In that situation, use the course's weighting rules or a calculator designed for weighted results.
Why a 90% Is Not Always the Same Letter Grade
Percentage cutoffs are not universal. One school may classify 90% as an A-, while another may use 90% as an A. Some courses also use plus/minus grades, different rounding rules, minimum thresholds, or special policies for late work and extra credit.
Calcuvix provides a clearly stated reference scale so that the result is transparent. Always compare it with your syllabus or institution's official grading policy before using a result for an academic decision.
How to Improve Your Grade
A calculator tells you where your score is, but the most useful next step is understanding what will move it. Focus on the assessments that carry the most points, review mistakes rather than only rereading notes, and convert upcoming goals into specific point targets.
Find high-value work
A 20-point assignment and a 200-point final do not have the same potential impact. Prioritize the work with the largest available point pool.
Track lost points
Look for repeated patterns in missed questions, incomplete work, calculation errors, or misunderstood instructions.
Set a point target
Instead of only saying “I want an A,” determine the percentage threshold and translate it into the number of points required.
Check the grading policy
Confirm whether your course uses points, category weights, dropped scores, extra credit, or another grading method.
When the Simple Points Formula Is Not Enough
The basic formula is appropriate when all available points belong to the score you are calculating. It may not be enough when a course combines categories such as homework, quizzes, labs, midterms, and a final exam with different weights.
For a desired end-of-course result, use the Final Grade Calculator. For a percentage-only conversion, see the Percentage Grade Calculator. For a GPA-based academic summary, use the GPA estimator.
Frequently Asked Questions
How do I calculate my grade percentage?
Divide points earned by points possible and multiply by 100. For example, 85 out of 100 points equals 85%.
What grade is 90 percent?
On the reference scale used here, 90% is an A-. Your school may use a different cutoff.
What grade is 85 percent?
On the reference scale used here, 85% is a B.
What grade is 80 percent?
On the reference scale used here, 80% is a B-.
What grade is 70 percent?
On the reference scale used here, 70% is a C-.
Can I use this for an exam?
Yes. Enter the exam points earned and the total exam points possible. If every question has the same value, you can also use the Test Grade Calculator.
Can I use this for a weighted class?
You can use it for an individual points-based assessment, but a weighted course requires the category weights and scores to be included in the calculation.
Does this calculator account for extra credit?
No special extra-credit rule is assumed. If your instructor allows points above the normal maximum, follow the course's grading policy when interpreting the result.
Is the grading scale universal?
No. Schools, instructors, colleges, and programs can use different percentage ranges and rounding policies.
Educational note: This calculator provides a points-based estimate using the grading scale displayed on this page. Your school or instructor may use different grading thresholds, weighting, rounding, extra-credit rules, or academic policies. Use your official course or institutional policy for final academic decisions.