OCR A-level Chemistry marks needed
Marks needed for an A
200of 270 left
200 to 213 on the 2024 to 2026 boundaries
- Paper 174/100
- Paper 274/100
- Paper 352/70
Questions people ask
How many marks do I need for A* in OCR A-level Chemistry?
In June 2026, A* in Chemistry A needed 234 out of 270 (87%). A needed 200.
How much do OCR A-level Chemistry grade boundaries change?
An A in Chemistry A needed between 200 and 213 marks from 2024 to 2026. The planner shows what you need on each of those years' boundaries.
Do all papers count the same?
Yes, every mark counts once. The papers are Paper 1 out of 100, Paper 2 out of 100, Paper 3 out of 70: 270 marks in all.
More free tools
How we work this out
What it does
Enter your marks so far and pick a grade: see the marks you need on the OCR Chemistry papers still to sit.
OCR A-level Chemistry (H432 and H433): every published series since 2017.
Method
- Add your marks on the papers you have sat, real or mock. A blank paper is one still to sit.
- Take your target grade's boundary from the latest series and subtract your marks.
- The rest is what the papers still to sit must bring in, never more than they are worth.
- The same sum on each recent year's boundary gives the range.