Chemistry
IB Chemistry is a Group 4 experimental science combining academic study with practical and investigational skills. The IB Chemistry course covers chemical principles underpinning physical environments and biological systems, and is often a prerequisite for medicine and biological sciences at university, across both SL and HL. This IB Chemistry grade calculator helps students predict their final exam score.
Subject
Grade boundaries
Assessment inputs
Enter raw marks below — grades calculate live.
Paper 1
Max 55 marks
Paper 2
Max 50 marks
Individual Investigation
Max 24 marks
More Group 4: Sciences
These related subject routes strengthen the crawl path around this IB group and give students a faster way to compare adjacent subjects.
Astronomy
Astronomy is the study of the universe and its contents outside of Earth's atmosphere, including the positions, motions, and properties of celestial objects.
Biology
IB Biology is a Group 4 experimental science course covering the vast diversity of life from the molecular to the macro level.
Computer Science
IB Computer Science is a Group 4 course requiring an understanding of computational thinking, programming, and how computers and digital devices operate.
Design Technology
IB Design Technology is a Group 4 course placing inquiry and problem-solving at its heart, using the design cycle to analyse problems, develop solutions, and evaluate prototypes and products.
Historical grade boundaries
Every published boundary across 11 sessions. Multiple dots per session are timezone variants.
Global grade distribution for SL Chemistry
Based on May 2024 results for SL Chemistry (17,118 candidates).
Common questions about Chemistry
What levels are available for IB Chemistry?
Chemistry is currently mapped with SL and HL calculator inputs on calculateIB.
Which syllabus versions are included for IB Chemistry?
This page tracks 2 syllabus versions: 2025 to Present, 2016 to 2024.
How are IB Chemistry boundaries handled on this page?
The page checks the selected exam session first. If that boundary is unavailable, it falls back to May 2024 and then to the nearest available session, while keeping the fallback local to this subject route.