IGCSE Combined Science (0653)
Cambridge IGCSE (CAIE). Estimate your grade, check grade boundaries by exam session, and see the percentage needed for each grade.
Combined Science grade calculator
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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. Spot a wrong number? Report it.
Percentage needed for each grade
June 2026 · Extended · Papers 21, 41, 51 · max 200.
| Grade | Min mark | Min % |
|---|---|---|
| A* | 146 | 73% |
| A | 124 | 62% |
| B | 102 | 51% |
| C | 80 | 40% |
| D | 69 | 35% |
| E | 59 | 30% |
| F | 49 | 25% |
| G | 39 | 20% |
Combined Science grade boundaries by session
- Combined Science grade boundaries — June 2026 · 13 options
- Combined Science grade boundaries — March 2026 · 4 options
- Combined Science grade boundaries — November 2025 · 10 options
- Combined Science grade boundaries — June 2025 · 10 options
- Combined Science grade boundaries — March 2025 · 4 options
- Combined Science grade boundaries — November 2024 · 11 options
- Combined Science grade boundaries — June 2024 · 11 options
- Combined Science grade boundaries — March 2024 · 3 options