Marks Percentage Calculator

Convert obtained marks and total marks into a percentage instantly, with a simple indicative grade guide.

Calculator

Enter values to see results instantly.

About this marks percentage calculator

Students search for a marks percentage calculator after exams to convert raw scores into percentages used on report cards and applications.

How to use

  1. Enter marks obtained.
  2. Enter total marks for the test.
  3. See percentage and a rough letter-grade guide.

Formula

Percentage = (Obtained ÷ Total) × 100

Worked examples

Example: 78 / 100 = 78%. Across subjects, average the percentages or total obtained ÷ grand total.

Tips

  • Grade boundaries differ by school — treat letter grades here as indicative only.
  • For weighted subjects, multiply each percentage by its weight before averaging.

Frequently asked questions

How do I calculate percentage of marks?

Divide marks obtained by total marks, then multiply by 100. Example: 42/50 × 100 = 84%.

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