GCSE grade calculator (9–1)
Turn raw marks into a 9–1 grade in seconds. Enter the marks you scored and the paper total, then edit the percentage thresholds to match the grade boundaries published for your exam board and series — the calculator instantly shows your grade and the marks still needed to move up.
Your marks
Enter your marks and the paper total to see your grade.
Grade boundaries (%)
These starting values are illustrative, not official. Replace them with the boundaries your exam board published for your series and tier.
How to use this calculator
1. Enter your marks
Type the marks you scored and the total marks available across the papers you are combining.
2. Set your boundaries
Replace the illustrative percentages with the grade boundaries published by your exam board for that series and tier.
3. Read your grade
The calculator shows your percentage, the grade it lands in, and the extra marks needed for the next grade up.
- The default percentages are illustrative only — they are not the official boundaries for any board or series.
- Official boundaries are published by Pearson Edexcel, AQA, OCR and Cambridge for each exam series.
Common questions
- How do you calculate a GCSE grade from marks?
- Add your marks across all papers, divide by the total marks available and multiply by 100 to get a percentage. Compare that percentage against the grade boundaries your exam board published for that series to find the grade.
- Are GCSE grade boundaries the same every year?
- No. Boundaries are set after each series to reflect how difficult the papers turned out to be, so they move up and down year to year and differ between boards, subjects and tiers. Always check the boundary document for your own series.
- What percentage is a grade 9 in GCSE Maths?
- There is no fixed percentage. In recent Maths series a grade 9 has often required roughly 80–90% of the marks on Higher tier, but the exact figure is published each year by the board. Use your own series' boundaries in the calculator above.
- Can Higher and Foundation tier marks be compared directly?
- No. Foundation tier is capped (usually at grade 5) and its boundaries differ from Higher tier, so a given percentage means different things on each tier. Enter the boundaries for the tier you actually sat.
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