One formula, every exam:
Percentage = (Marks obtained ÷ Total marks) × 100
You're expressing your score as a fraction of the maximum, scaled to 100. That's all a percentage ever is.
Math Calculators
Marks Percentage Calculator
Got your marks but the form asks for a percentage? Enter the marks you obtained and the maximum marks, and this calculator gives you the exact percentage — the number schools, colleges and recruiters actually compare. It works for any exam: boards, semesters, entrance tests or a single subject.
Your percentage
86.40%
How it works
Worked example
You score 432 out of 500:
- 432 ÷ 500 = 0.864
- 0.864 × 100 = 86.4%
Understanding your results
Your percentage is shown to two decimal places. Most forms accept one decimal or round to the nearest whole number — 86.4% becomes 86% on forms that want integers. Don't round up prematurely: 86.4% is not 87% unless the form says to round.
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Frequently asked questions
Add up all obtained marks and all maximum marks separately, then apply the formula once to the totals. Don't average the per-subject percentages unless every subject carries equal marks — that gives a wrong answer when weightages differ.
Percentage is your absolute score out of 100. Percentile is your rank: 99th percentile means you scored better than 99% of candidates, regardless of your actual marks. Entrance exams like JEE and CAT report percentiles, not percentages.
Only with bonus or grace marks, which some boards add on top of the maximum. The calculator will happily compute over 100% in that case; whether your institution allows it is a policy question, not a math one.
Follow your board's rule. CBSE's "best of five" and similar schemes exclude the lowest-scoring extra subject — the calculator can't know your board's policy, so apply the rule to the numbers before entering them.
Content last reviewed on 2026-10-06.