Chemistry grade boundaries
Every AQA AS Chemistry boundary set we hold —3 awards across 3 series. Marks are raw marks for the whole subject, and every table links to the document it came from.
Grade A boundary over time
Shown as a percentage of the maximum mark, because the maximum changes when a board reforms a specification and raw marks stop being comparable.
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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.
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Enter a mark to place it on the scale.
June 2026Latest
Open June 2026 with calculators →| Award | Code | Max | A | B | C | D | E |
|---|---|---|---|---|---|---|---|
| Chemistry | 7404 | 160 | 11471 | 9962 | 8453 | 6943 | 5534 |
June 2025
Open June 2025 with calculators →| Award | Code | Max | A | B | C | D | E |
|---|---|---|---|---|---|---|---|
| Chemistry | 7404 | 160 | 11773 | 10063 | 8453 | 6843 | 5233 |
June 2024
Open June 2024 with calculators →| Award | Code | Max | A | B | C | D | E |
|---|---|---|---|---|---|---|---|
| Chemistry | 7404 | 160 | 11471 | 9861 | 8251 | 6742 | 5233 |