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Percentage Calculator

“Your marks, your percentage โ€” instantly.”

Convert marks to percentage, find what % one number is of another, calculate a value from a percentage, or average marks across multiple subjects. Four powerful modes, zero sign-up required.

Marks โ†’ Percentage
Multi-Subject Average
Letter Grade Output
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๐Ÿ“Š Percentage Calculator

Enter your obtained marks and total marks to instantly get your percentage score and letter grade.

Your Percentage
โ€”%
โ€”
Score Meter 0%

How to Calculate Percentage from Marks

What Is a Percentage Calculator?

A percentage calculator converts raw numbers โ€” like exam marks โ€” into a percentage out of 100. It lets you instantly understand your performance relative to a maximum possible score, compare results across subjects, and meet percentage-based admission or scholarship requirements.

Marks to Percentage Formula

The universal formula is: (Obtained Marks รท Total Marks) ร— 100 = Percentage. For example, if you scored 453 out of 600 marks: (453 รท 600) ร— 100 = 75.5%.

When to Use Each Mode

  • Use Marks โ†’ % after any exam to see your score as a percentage and letter grade.
  • Use X is % of Y to compare any two numbers as a percentage ratio.
  • Use Find Value to set a target โ€” enter your desired % and total marks to know exactly what marks to aim for.
  • Use Multi-Subject after your semester result for an accurate overall aggregate.

Why the Aggregate Method Is More Accurate

When calculating average percentage across subjects, simply averaging individual percentages can give skewed results when subjects have different maximum marks. The accurate method โ€” ฮฃ(all obtained marks) รท ฮฃ(all max marks) ร— 100 โ€” gives a true aggregate, and that’s exactly what Multi-Subject mode uses.

Percentage Across Different Exam Systems

  • CBSE, ICSE, and state boards in India use direct % from aggregate marks.
  • HEC Pakistan uses percentage for university admissions and scholarships.
  • Cambridge (CIE) provides percentage alongside letter grades in results.
  • IB converts marks to percentage equivalents for university applications.
  • All of these systems use the same core formula this tool applies.

Tips for Using Your Percentage Wisely

Your percentage is a starting point, not an endpoint. Use it to identify which subjects need more focus, calculate the marks you need for a target percentage next semester, and check university merit cutoffs early โ€” so you always know exactly where you stand.

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