What percentage is each grade in IGCSE Chemistry?
Grade boundaries change every session, so percentages aren't fixed. Based on the Cambridge June 2026 boundaries for extended · papers 21, 41, 51, here's the percentage needed for each grade in Chemistry (0620).
| Grade | Min mark | Min percentage |
|---|---|---|
| A* | 173/200 | 87% |
| A | 147/200 | 74% |
| B | 119/200 | 60% |
| C | 91/200 | 46% |
| D | 78/200 | 39% |
| E | 66/200 | 33% |
| F | 53/200 | 27% |
| G | 40/200 | 20% |
Extended · Papers 21, 41, 51 · maximum mark 200 · June 2026.
FAQ
What percentage is a A* in IGCSE Chemistry?
In June 2026 (Extended · Papers 21, 41, 51), a A* needed about 87% (173/200). Boundaries shift slightly each session.
What percentage is a pass (C) in IGCSE Chemistry?
A grade C needed roughly 46% in June 2026. Grade 4 / C is generally treated as a standard pass.
Are these IGCSE Chemistry percentages official?
They are derived from the official Cambridge grade threshold tables. Boundaries are set per session, so use these as a guide and confirm with your exam board.