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Enter your marks and see your predicted Cambridge IGCSE grade — based on official grade boundaries, free and instant.
Enter your total mark (or overall percentage) and choose Core or Extended — the free GetYourTutors IGCSE Grade Calculator maps it to a predicted Cambridge grade using official grade boundaries, and shows a realistic range because boundaries shift each session and vary by paper variant. It covers IGCSE Mathematics, Biology, Chemistry, Physics and First Language English.
Cambridge Mathematics (0580) · official June 2024 & June 2025 boundaries
Official Cambridge thresholds as a percentage of the total (200 marks). The range shows how much the boundary moved across paper variants.
| Grade | Typical boundary | Range (variants) |
|---|---|---|
| A* | ~84.1% | 76% – 89% |
| A | ~71.6% | 62.5% – 78.5% |
| B | ~56.8% | 49% – 63.5% |
| C | ~42.2% | 36% – 48.5% |
| D | ~33.1% | 28% – 37% |
| E | ~24.3% | 20% – 27.5% |
Select Core (grades C–G) or Extended (grades A*–E) so the calculator uses the right Cambridge boundaries.
Type in your overall percentage, or your raw marks and the total available — whichever you have.
Get your most likely grade plus an honest range, and how far you are from the next grade up.
A grade boundary is the minimum mark needed for each grade. Knowing how they work is the key to reading any grade prediction honestly.
Cambridge sets boundaries after each exam to keep standards fair. A harder paper means lower boundaries; an easier one means higher. So the same percentage can earn slightly different grades in different sessions — which is exactly why this calculator shows a range, not a single guaranteed grade.
Core IGCSE Mathematics (Papers 1 + 3) is graded C–G; Extended (Papers 2 + 4) is graded A*–E. The tiers have different boundaries, so pick the one you are sitting. Unsure which tier suits you? An IGCSE Maths specialist can advise.
This IGCSE Grade Calculator is a free guidance tool from GetYourTutors, using official Cambridge grade-threshold data for informational purposes only. It produces an estimate, not an official Cambridge result, and boundaries change each session. GetYourTutors is not affiliated with or endorsed by Cambridge International.
Common questions about predicting IGCSE grades and how grade boundaries work.
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