Cambridge · Edexcel · every subject
IGCSE grade calculator & grade boundaries
Work out your IGCSE grade in seconds. Enter your marks for any Cambridge (CAIE) or Edexcel subject and session — plus browse grade boundary tables and percentage-to-grade conversions, all in one place.
IGCSE grade calculator
Pick your board, subject and exam session, then enter your total mark to see the estimated grade.
Show grade thresholds for this option
| Grade | Min mark | Min % |
|---|
Pick the tier and paper variant you sat. Boundaries differ between Core and Extended and between paper variants (exam zones), so choose the option that matches your papers.
What you can do here
Estimate your grade
Turn raw marks into a 9–1 (or A*–G) 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 a 9, a 7, or any grade in your subject.
Popular Cambridge subjects
Independent study tool. Not affiliated with, endorsed by, or connected to Cambridge Assessment International Education or Pearson Edexcel. Grade boundary figures are sourced from official releases; always confirm with your exam board.