About this calculator
Percentage = marks scored ÷ total marks × 100. The letter grade uses a common scale: 90% and above is an A, 80–89% a B, 70–79% a C, 60–69% a D and below 60% an F. Your school’s scale may differ.
Worked example
412 out of 500 is 412 ÷ 500 × 100 = 82.4%, a B on a 90/80/70/60 scale.
How to use the exam score calculator
- Enter the marks scored.
- Enter the total marks.
- Read the result — it updates as you type.
Frequently asked questions
What percentage is 412 out of 500?
412 ÷ 500 × 100 = 82.4%.
How do I find the marks needed for a percentage?
Multiply the total by the percentage and divide by 100. For 75% of 500, you need 375 marks.