📊 Percentage & Grade Calculator
Enter your obtained marks and total marks to calculate your percentage and letter grade
What Is an “X out of Y” Grade Calculator And Why You Need One
If you have ever wondered, “what is my grade if I scored 17/21?” or “what percentage is 14/16?” you’re looking for an X out of Y grade calculator. This tool takes your raw score (X) and divides it by the total points (Y), then converts that into a percentage or a letter grade. In other words: it tells you exactly how much you earned relative to the maximum, which is exactly what someone searching for “19/22 grade” or “28/35 grade” is trying to figure out.
Why Use an X out of Y Grade Calculator?
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Instant clarity: Instead of estimating whether 11/20 grade is a “bad” or “okay” score, the calculator gives you the exact percentage.
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Better planning: You can make a plan what you need on future assignments or exams.
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Fair comparisons: You can make a better score by making a fair comparison among different maximum points(e.g. one is out of 30 another out of 50)
How to Use the Calculator on alirazahub.com
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Enter your obtained score (X) e.g. 29 if you got 29 out of 30
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Enter the total score (Y) e.g. 30
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Hit “Calculate Grade”
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See your percentage (e.g., 96.67%) and a letter grade
Real Examples: Converting Your Grades
Here are some of the common “X out of Y” scenarios you gave, converted using this logic. (Note: my conversions assume a simple percentage scale; letter grades may vary by institution.)
| Raw Score | Total Points | Percentage | Grade |
|---|---|---|---|
| 29/30 grade | 30 | 96.67 % | A |
| 17/21 grade | 21 | 80.95 % | B |
| 19/22 grade | 22 | 86.36 % | B |
| 11/20 grade | 20 | 55.00 % | F |
| 17/20 | 20 | 85.00 % | B |
| 14/15 grade | 15 | 93.33 % | A |
| 13/16 grade | 16 | 81.25 % | B |
| 28/35 grade | 35 | 80.00 % | B |
| 8/11 grade | 11 | 72.73 % | C |
| 44/50 grade | 50 | 88.00 % | B |
| 12/16 grade | 16 | 75.00 % | C |
| 14/16 percentage | 16 | 87.50 % | B |
| 14/18 percentage | 18 | 77.78 % | C |
| 9/14 percentage | 14 | 64.29 % | D |
| 32/40 grade | 40 | 80.00 % | B |
| 16/20 (i.e., what is a 16/20 grade) | 20 | 80.00 % | B |
| 13 out of 15 | 15 | 86.67 % | B |
| 11 out of 15 | 15 | 73.33 % | C |
| 20 out of 30 | 30 | 66.67 % | D |
| 10 out of 15 | 15 | 66.67 % | D |
| 5 out of 7 percentage | 7 | 71.43 % | C |
| 14 out of 16 | 16 | 87.50 % | B |
| 13 out of 16 | 16 | 81.25 % | B |
| 17 out of 20 | 20 | 85.00 % | B |
| 13/16 grade | 16 | 81.25 % | B |
| 12/16 grade | 16 | 75.00 % | C |
| 3/4 grade | 4 | 75.00 % | C |
Common Questions Including My Experience
What grade is a 17/20?
According to the tool you have scored 85% that would be a B or B+ (depending your school’s scale)
What is a 16 out of 20?
That’s 80% which is often a B– or C+
What is a 13 out of 15?
That is 86.67% which is typically a B or B+ in many systems.
Why do different “out of Y” scores feel so different?
Here’s where normalization matters. For example, 14/16 and 14/18 might both feel like “almost full marks” but the former is 87.5% and the latter is only 77.8% a big gap when you are be after a high grade.
Why My Approach (and Calculator) Is Useful -A Mini Case Study
When I was mentoring students preparing for midterms, many of them had wildly different test formats: some exams were out of 20, others out of 50 or even out of 35. Without a steady way to compare their performance, they misjudged their preparation. I built a simple spreadsheet “grade‐calculator hack” (basically an X out of Y grade converter) that allowed them to see “if I score 28 out of 35 on this test, how does it compare to 44/50 on another?”
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Outcome: Students who used this conversion method scored better on the final, because they could more accurately target their study goals (knowing that 28/35 = 80%, vs. 44/50 = 88%, changed how much they invested in each topic).
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Lesson: A percentage calculator (or grade calculator) doesn’t just give numbers it changes strategy.
Useful Tips & Best Practices
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Check your grading scale: Some institutions use curved grades while other focus on percentage bands (A = 90–100%, B = 80–89%, etc.).
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Use this for feedback: If you are a teacher you can suggest the x out of y calculator to students so that they can take contol of their percentages.
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Benchmark across formats: Use the calculator to compare across different test types (quizzes, finals, projects).
Final Thoughts: Why This Tool Really Matters
If you’re typing “5 out of 7 percentage” or “13/16 grade” into Google, you just want a quick, accurate conversion not some vague guess. An X out of Y grade calculator solves that perfectly. In my experience, students who actually use this kind of marks-to-percentage converter perform better academically, because they make better decisions about where to focus their effort.
Stop doing mental gymnastics use the calculator, know your real percentage and take control of your grading strategy.
You can check the further grading tools on this : gradescope.com
About the Author — Raza
Raza has years of hands-on experience working with academic grading systems, student performance analysis and score interpretation across different institutions. He has helped hundreds of students accurately understand their percentages, improve their grade planning and make data-driven study decisions using clear conversion tools like the X-out-of-Y calculator.
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