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Grade Boundary

Chemistry

OCR AS · June 2026 ·2 awards

1400110A96B82C68D55E
Every boundary at its true height on the 140-mark scale.

Turn a mark into a grade

This is the total for the whole subject, not one paper. Working from paper marks? Use the paper calculator below.

of 140

Enter a mark to place it on the scale.

Every boundary published

Raw marks for the whole subject. The small figure under each is that mark as a percentage of the maximum — the only number that compares fairly across boards.

AwardCodeMaxABCDEU
ChemistryH03214011079966982596849553900
Chemistry (Salters)H03314010172866172515841443100

Transcribed from Oxford Cambridge and RSA Examinations, June 2026 (PDF), retrieved 2026-08-16.

Work back from your paper marks

Fill in what you already have and leave the rest blank. A blank box means not sat yet, which is not the same as a zero.

Paper 01

/ 70

Paper 02

/ 70
GradeNeedsFrom what's leftVerdict

The same subject on other boards, June 2026

Raw marks are not comparable between boards, because the maximum marks differ. The percentage of the maximum is the only fair comparison — and it is usually closer than people expect.

BoardAwardCodeMaxABCDEU
OCRChemistryH03214011079966982596849553900
AQAChemistry7404160114719962845369435534
EdexcelChemistry8CH0160121761046588557245563500

All 1 AQA award →All 1 Edexcel award →

Other series

Questions

What was the grade C boundary for OCR AS Chemistry in June 2026?
In June 2026, Chemistry: 82 out of 140; Chemistry (Salters): 72 out of 140.
Will the boundaries be the same next year?
No. Boards reset boundaries after every series so a grade means the same thing even when a paper is harder or easier than intended. Past boundaries tell you the likely range, not the answer.