IB Score Calculator
Calculate your predicted IB Diploma score with the TOK/EE bonus matrix.
What is the IB Score?
The International Baccalaureate (IB) Diploma score is out of a maximum of 45 points. Students take 6 subjects (3 Higher Level + 3 Standard Level), each graded 1-7 for a maximum of 42 subject points, plus up to 3 bonus points from Theory of Knowledge (TOK) and the Extended Essay (EE). A minimum of 24 points is required for the Diploma.
6 Subjects (max 42 points)
Enter scores and click calculate
Disclaimer
This calculator provides estimates based on published scoring rules. Final results, postings, and admission outcomes are determined by MOE and your institution — not by this tool.
Rates last verified: 4 Apr 2026.
Verify with MOE (https://www.moe.gov.sg). Full disclaimer at smartcalculator.sg/disclaimer.
Quick Reference
- • Maximum IB score: 45 points (6 subjects x 7 = 42 + 3 TOK/EE bonus)
- • Minimum for Diploma: 24 points, with conditions on individual grades
- • TOK/EE bonus: 0-3 points based on combined grade matrix (A-E each)
- • IB 44-45 roughly equates to 90 A-Level rank points for Singapore university admission
- • Singapore IB schools include ACS(I), SJI, SOTA, and various international schools
How It Works
The IB Diploma Programme requires students to take 6 subjects: 3 at Higher Level (HL) and 3 at Standard Level (SL). Each subject is graded from 1 (lowest) to 7 (highest), giving a maximum of 42 subject points.
In addition, students complete Theory of Knowledge (TOK) and an Extended Essay (EE), each graded from A to E. The combination of TOK and EE grades determines bonus points (0-3), bringing the total possible score to 45.
A minimum of 24 points is needed for the Diploma, with additional conditions on individual subject grades and HL/SL point minimums. An E in either TOK or EE can result in Diploma failure.
TOK/EE Bonus Matrix
| TOK \ EE | A | B | C | D | E |
|---|---|---|---|---|---|
| A | 3 | 3 | 2 | 2 | F |
| B | 3 | 2 | 2 | 1 | F |
| C | 2 | 2 | 1 | 0 | F |
| D | 2 | 1 | 0 | 0 | F |
| E | F | F | F | F | F |
F = Failing condition (Diploma not awarded)
Who This Calculator Is For
IB Diploma Students
Calculating total IB score for university admissions.
- Maximum score: 45 (42 from subjects + 3 from TOK/EE)
- Subjects: 6 subjects: 3 HL + 3 SL, each marked 1–7
- Minimum pass: 24 points, no grade below 2 in HL
- Bilingual diploma: Requires two language A subjects
Students Applying to Singapore Universities
Understanding IB rank point equivalents for NUS/NTU/SMU.
- IB 45: = 90 rank points
- IB 40: ≈ 80–85 rank points
- Official tables: NUS/NTU publish IB-to-RP conversion tables
- HL requirements: Some courses require HL Math for engineering
IB Students Applying to UK Universities
Understanding UCAS points from IB scores for UK admissions.
- IB 45: = 768 UCAS points
- Russell Group: IB 38 typically meets conditional offers
- Medicine: Most UK medical schools require IB 38–40
- Predicted grades: Issued by school matter for conditional offers
Students Comparing IB vs A-Level
Deciding which route suits their goals and strengths.
- IB load: 6 subjects + TOK + Extended Essay
- A-Level load: Typically 3–4 H2 + 1–2 H1 subjects
- Breadth vs depth: IB is broader; A-Level allows deeper specialisation
- Acceptance: Both well-accepted by Singapore and international universities
IB Diploma vs A-Level: Singapore University Admission
| Feature | IB Diploma | Singapore A-Level |
|---|---|---|
| Score range | 1–45 | 0–90 rank points |
| Subject load | 6 subjects + TOK + EE | Typically 3–5 subjects |
| Breadth vs depth | Broader (required HL+SL mix) | Deeper specialisation |
| NUS/NTU accepted | Yes | Yes |
| Top competitive score | 43–45 | 85–90 RP |
| International recognition | Globally recognised | Primarily Singapore/Commonwealth |
Frequently Asked Questions
What is the maximum IB score?expand_more
The maximum IB Diploma score is 45 points. This consists of a maximum of 42 points from 6 subjects (each graded 1-7, so 6 x 7 = 42) plus up to 3 bonus points from the Theory of Knowledge (TOK) and Extended Essay (EE) matrix.
What score do I need to pass the IB Diploma?expand_more
To be awarded the IB Diploma, you need a minimum of 24 points overall. You must also meet several conditions: no grade 1 in any subject, no more than two grade 2s, no more than three grade 3s, at least 12 points from Higher Level (HL) subjects, and at least 9 points from Standard Level (SL) subjects.
How does the TOK/EE bonus matrix work?expand_more
The TOK and EE are each graded A to E. Your combination of grades determines your bonus points (0 to 3). For example, A in both gives 3 bonus points, A and B (either way) gives 3, B and B gives 2, and so on. If you receive an E in either TOK or EE, you may fail the Diploma regardless of your other scores.
How does IB convert to A-Level rank points for Singapore universities?expand_more
Singapore universities have their own IB-to-rank-point conversion tables. Generally, an IB score of 44-45 equates to approximately 90 A-Level rank points, 40-43 maps to about 85-87.5, and 38-39 maps to about 80-82.5. Check each university's specific conversion table for accurate equivalencies.
Which schools in Singapore offer the IB programme?expand_more
Several schools in Singapore offer the IB Diploma programme, including Anglo-Chinese School (Independent), St. Joseph's Institution, School of the Arts, and various international schools. Some schools offer both the IB and A-Level tracks.
Sources
- • International Baccalaureate Organization (ibo.org) — IB Diploma scoring, TOK/EE matrix, and grade descriptors
- • Ministry of Education (moe.gov.sg) — IB-to-rank-point conversion for Singapore university admission