Physics
IB Physics is a Group 4 experimental science course seeking to explain the universe from the smallest particles to the vast distances between galaxies. The IB Physics course emphasises practical investigation, mathematical application, and scientific communication across both SL and HL. This IB Physics grade calculator helps students predict their final exam score.
Assessment inputs
Enter raw marks below — grades calculate live.
Paper 1
Max 45 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.
Chemistry
IB Chemistry is a Group 4 experimental science combining academic study with practical and investigational skills.
Computer Science
IB Computer Science is a Group 4 course requiring an understanding of computational thinking, programming, and how computers and digital devices operate.
Historical grade boundaries
Every published boundary across 12 sessions. Multiple dots per session are timezone variants.
Global grade distribution for SL Physics
Based on May 2024 results for SL Physics (13,498 candidates).
Best place to gain marks
One mark is worth more in some parts than others. The top items give you the biggest boost to your final score.
1. Paper 2
+0.88%final score for 1 mark
44% weight · max 50 marks
2. Individual Investigation
+0.83%final score for 1 mark
20% weight · max 24 marks
3. Paper 1
+0.8%final score for 1 mark
36% weight · max 45 marks
Common questions about Physics
What levels are available for IB Physics SL?
Physics SL is currently mapped with SL calculator input on calculateIB.
Which syllabus versions are included for IB Physics SL?
This page tracks 2 syllabus versions: 2025 to Present, 2016 to 2024.
How are IB Physics SL 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.