Marks Percentage Calculator
Total your marks across subjects and get the overall percentage — with per-subject percentages shown live.
Overall percentage
82.67%
248 / 300 marks across 3 subjects
About this tool
Percentage of marks is the arithmetic every student does after every result — obtained ÷ total × 100 — and doing it across six subjects with different maximums is where calculator mistakes creep in. This tool lays it out as a marksheet: one row per subject, obtained and total marks side by side, each subject's percentage computed live, and the overall percentage — total obtained across everything ÷ total possible — as the headline.
That overall number is worth a note, because it's the correct method: summing all marks before dividing, not averaging the per-subject percentages. The two differ whenever subjects carry different maximum marks — a 100-mark subject influences the true percentage twice as much as a 50-mark practical, exactly as it should. The per-subject column, meanwhile, shows at a glance where the strong and weak papers were.
Rows add and remove freely, so the tool fits any marksheet: three subjects or ten, board exams with 100-mark papers, university semesters mixing theory and practicals, or a single test. Validation catches the classic slip of entering obtained marks higher than the total. For converting the result onward — to CGPA, or to see what you need on a future exam — the companion student tools are linked below.
How to use the Marks Percentage Calculator
- 1Enter marks obtained and maximum marks for each subject.
- 2Add rows to match your marksheet — any number of subjects.
- 3Read each subject's percentage in its row.
- 4The headline shows your overall percentage: total obtained ÷ total possible.
Frequently asked questions
How do I calculate percentage of marks?
Marks obtained ÷ maximum marks × 100. For multiple subjects, sum all obtained marks and divide by the sum of all maximums — 425 of 500 is 85%. This tool does both levels at once: per subject and overall.
Why not just average the subject percentages?
Averaging percentages treats every subject as equal weight, which is wrong when maximum marks differ. Scoring 90% in a 100-mark subject and 70% in a 50-mark practical is a true 83.3%, not the 80% a simple average gives. Sum first, then divide — as this calculator does.
How is 'best of five' percentage calculated?
Some boards (like CBSE Class 10) compute the headline percentage from your five best subjects. Enter just those five rows here to replicate it — and all subjects in a second pass to see the complete picture. The eligibility rules of receiving institutions decide which figure they accept.
Are internal marks included in the percentage?
For most boards and universities, yes — the marksheet's totals already merge theory and internal assessment, so enter the combined figures. If your marksheet lists them separately and you need the combined percentage, add each subject's components before entering the row.
Related tools
Percentage Calculator
Three calculators in one: find X% of a number, what percent X is of Y, and percentage change.
Open toolCGPA to Percentage Converter
Convert CGPA to percentage and back — CBSE ×9.5, university (CGPA−0.75)×10, and simple ×10 formulas.
Open toolGPA Calculator
Calculate your GPA weighted by credits — 4.0 letter-grade scale or 10-point SGPA style.
Open toolFinal Grade Calculator
Find exactly what you need to score on the final exam to hit your target grade — with an honest read on feasibility.
Open tool