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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 your subject and tier — 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, Additional Mathematics, Biology, Chemistry, Physics, First Language English and English Literature.
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.
Choose your subject and tier, then enter your total mark or overall percentage. The calculator compares it against the official Cambridge grade boundaries and shows your most likely grade, plus a realistic range. It covers IGCSE Mathematics, Additional Mathematics, Biology, Chemistry, Physics, First Language English and English Literature.
It is a guide, not a guarantee. The prediction uses real, published Cambridge grade thresholds, but boundaries change every exam session and vary by paper variant — across recent sessions (June 2024 and June 2025) the IGCSE Maths Extended A* boundary has ranged from about 76% to 89% across variants. We deliberately show that range rather than a single false-precision grade, so you can see best and worst cases.
A grade boundary is the minimum mark needed for a grade. Cambridge sets them after each exam session to keep standards fair — if a paper is harder, the boundaries are lowered, and vice versa. Because of this, the same percentage can earn slightly different grades in different sessions, which is why this tool shows a range.
In most IGCSE subjects, Core is graded C to G and Extended reaches the top grades (A* to E in Maths, A* to G in the sciences). Select the subject and tier you are sitting so the calculator uses the correct boundaries — the same percentage maps to different grades on each tier. First Language English, English Literature and Additional Mathematics are single qualifications (one set of boundaries, no tiers); Additional Mathematics is graded A* to E.
Because grade boundaries genuinely vary by exam variant and session. A percentage near a boundary could land on either side depending on which paper you sit and how that session is graded. Showing the range is the honest way to present a prediction — anyone promising a single guaranteed grade from a percentage is overstating it.
No. A calculator tells you where you are; a tutor helps you move up. If your prediction is below your target — or you want to lock in the next grade — a GetYourTutors specialist who comes to your home in Dubai can target the exact topics costing you marks. Use the calculator to set the goal, then close the gap with focused practice.
Yes. Alongside Maths and the sciences, it covers Cambridge IGCSE Literature in English (0475) and Additional Mathematics (0606) using official Cambridge grade boundaries from recent sessions. Both are single qualifications — you enter one overall mark or percentage and get a predicted grade with a realistic range. Note that Additional Mathematics is graded A* to E.
Contact GetYourTutors — IGCSE Grade Prediction & Tutoring
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