Cambridge International · AS & A Level · every subject
A-Level grade calculator & grade boundaries
Work out your Cambridge International AS & A Level grade in seconds. Enter your marks for any subject and exam session — plus browse grade boundary tables and percentage-to-grade conversions (A*–E), all in one place.
A-Level grade calculator
Pick your subject, exam session and paper option, then enter your total mark to see the estimated grade.
Show grade thresholds for this option
| Grade | Min mark | Min % |
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Pick the paper combination you sat. A-Level boundaries differ between paper variants (exam zones) and between AS and full A Level options, so choose the option that matches your papers. Spot a wrong number? Report it.
What you can do here
Estimate your grade
Turn raw marks into an A*–E grade using real session boundaries.
Grade boundaries by subject
Clean, searchable threshold tables for each subject and exam series.
Percentage ↔ grade
See what percentage you need for an A*, an A, or any grade in your subject.
Popular A-Level subjects
Independent study tool. Not affiliated with, endorsed by, or connected to Cambridge Assessment International Education. Grade boundary figures are sourced from official releases; always confirm with your exam board.