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.

Group 4: Sciences Astronomy Biology Chemistry Computer Science

Subject

Syllabus

2025 to Present

Level

Grade boundaries

Session

May 2025 (m25)

Timezone

Assessment inputs

Enter raw marks below — grades calculate live.

2025

Paper 1

Max 45 marks

36%

/ 45

Paper 2

Max 50 marks

44%

/ 50

Individual Investigation

Max 24 marks

20%

/ 24

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.

View full Group 4: Sciences

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 11 sessions. Multiple dots per session are timezone variants.

11 sessions19 data points

Global grade distribution for SL Physics

Based on May 2024 results for SL Physics (13,498 candidates).

Session M24Average 4.213,498 candidates

2.1%

1.7%

10.3%

25.7%

19.5%

17.1%

13%

10.5%

Avg 4.2 · 13,498 candidatesSession M24

Grade N2.1%

Grade 11.7%

Grade 210.3%

Grade 325.7%

Grade 419.5%

Grade 517.1%

Grade 613%

Grade 710.5%

Common questions about Physics

What levels are available for IB Physics?

Physics is currently mapped with SL and HL calculator inputs on calculateIB.

Which syllabus versions are included for IB Physics?

This page tracks 2 syllabus versions: 2025 to Present, 2016 to 2024.

How are IB Physics 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.