Grade Calculator
Convert marks to percentage and letter grade in one click.
π Updated October 13, 2026
About the Grade Calculator
Solve it in seconds with the Grade Calculator. Convert marks to percentage and letter grade in one click. Accurate, instant and free β no signup, no app install. Students also reach for the Percentage Calculator and Scientific Calculator.
How to use this calculator
- Enter your numbers in the fields above.
- Results update instantly β no button to press, no page reload.
- Adjust the inputs to compare scenarios with the Grade Calculator.
Keep exploring: Percentage Calculator Β· Basic Calculator Β· Date Difference Calculator Β· Scientific Calculator
Frequently asked questions
What grading scale is used?
A+ (90+), A (80+), B (70+), C (60+), D (50+), F (below 50).
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