IB Grade Calculator
This tool helps you calculate your International Baccalaureate (IB) Diploma score based on your subject grades and core components. Determine your total points out of 45 and check your eligibility for the diploma.
Enter a grade from 1 to 7.
CAS is a pass/fail requirement for the IB Diploma.
What is an IB Grade Calculator?
An IB Grade Calculator is a specialized tool designed for students in the International Baccalaureate Diploma Programme (IBDP) to forecast their final score. The IBDP is graded out of a total of 45 points. This score is compiled from two main components: the grades from six academic subjects and bonus points awarded for the core components. Our calculator helps you combine these elements to see your predicted total and check if you meet the criteria to be awarded the diploma. Using an ib grade calculator is a crucial step for students planning for university applications.
The IB Grade Formula and Explanation
The final IB score is calculated by summing the points from your six subjects and adding any bonus points from the Theory of Knowledge (TOK) and the Extended Essay (EE). The formula is:
Total Score = (Sum of 6 Subject Grades) + (TOK/EE Bonus Points)
Each of the six subjects is graded on a scale of 1 to 7, making the maximum score from subjects 42 points. The TOK and EE can add up to 3 bonus points to this total. The Creativity, Activity, Service (CAS) component is not graded with points but is a mandatory requirement that must be passed.
Variables Table
| Variable | Meaning | Unit / Range | Typical Range |
|---|---|---|---|
| Subject Grade | The score for an individual academic subject. | Points (1-7) | 4-6 |
| TOK/EE Grade | The grade for Theory of Knowledge or the Extended Essay. | Letter (A-E) | B-C |
| Bonus Points | Points awarded based on the combined TOK/EE grades. | Points (0-3) | 1-2 |
| CAS Status | Completion of the Creativity, Activity, Service component. | Pass / Fail | Pass |
TOK/EE Bonus Points Matrix
The bonus points are determined by the combination of your TOK and EE grades, as shown in the official IB matrix below.
| Theory of Knowledge |
Extended Essay | ||||
|---|---|---|---|---|---|
| A | B | C | D | E | |
| A | 3 | 3 | 2 | 2 | Fail |
| B | 3 | 2 | 1 | 1 | Fail |
| C | 2 | 1 | 1 | 0 | Fail |
| D | 2 | 1 | 0 | 0 | Fail |
| E | Fail | ||||
Practical Examples
Example 1: High-Achieving Student
- Inputs: Subjects (7, 7, 6, 7, 6, 6), TOK Grade (A), EE Grade (B), CAS (Completed)
- Calculation: Subject Points = 39. An A in TOK and a B in EE yields 3 bonus points.
- Results: Total Score = 42. Diploma is awarded.
Example 2: Student with a Failing Condition
- Inputs: Subjects (4, 4, 3, 5, 4, 4), TOK Grade (E), EE Grade (C), CAS (Completed)
- Calculation: Subject Points = 24. A grade of ‘E’ in TOK is an automatic failing condition.
- Results: Diploma Not Awarded, regardless of the point total. This highlights the importance of passing the core components, which an ib grade calculator can help visualize.
How to Use This IB Grade Calculator
- Enter Subject Grades: For each of your six subjects, enter the grade you received or expect, from 1 (lowest) to 7 (highest).
- Select Core Component Grades: Use the dropdown menus to select your grades for Theory of Knowledge (TOK) and the Extended Essay (EE). The grades range from A (highest) to E (lowest).
- Confirm CAS Completion: Check the box if you have successfully completed the Creativity, Activity, Service (CAS) requirements.
- Review Your Results: The calculator will instantly display your total points, the breakdown of subject and bonus points, and your diploma status. The chart provides a visual representation of your score. Exploring the TOK EE matrix is vital for maximizing bonus points.
Key Factors That Affect Your IB Score
Several elements contribute to your final IB score. Understanding them is key to success.
- Subject Performance: The most significant factor is your grade in each of the six subjects, which contributes up to 42 of the 45 total points.
- TOK and EE Grades: Your performance in the core components can add up to 3 crucial bonus points, which can make a significant difference. A good score on these demonstrates critical thinking and research skills.
- CAS Completion: While it doesn’t add points, failing to complete CAS requirements results in not being awarded the diploma, regardless of your academic scores.
- Avoiding Failing Conditions: The IB has several automatic failing conditions. These include receiving a grade of 1 in any subject, a grade of E in TOK or the EE, or not achieving a minimum total of 24 points.
- HL vs SL Performance: To receive the diploma, candidates must achieve at least 12 points in their Higher Level (HL) subjects and at least 9 points in their Standard Level (SL) subjects (rules may vary slightly based on the number of HL/SL subjects). Check the IB diploma requirements for details.
- Consistency: Having four or more grades of 3 or below is also a failing condition. Consistent performance across all subjects is more important than excelling in a few and failing others. Using an ib score calculator can help track this balance.
Frequently Asked Questions (FAQ)
You need a minimum of 24 points to be eligible for the diploma, provided you have also met all other requirements, such as completing CAS and avoiding failing conditions.
While the global average is typically around 30-32 points, a score of 38 or higher is generally considered excellent and is competitive for top universities worldwide. Scores of 40-45 place a student in the top percentile of IB graduates.
Yes, it is possible. A ‘D’ in the EE will result in fewer (or zero) bonus points, but it is not an automatic failing condition by itself, unlike a grade of ‘E’. Your diploma eligibility would then depend on your other grades and total points. Consulting the IB points system is useful here.
No, both Higher Level (HL) and Standard Level (SL) subjects are graded on the same 1-7 scale. However, there are separate minimum point requirements for your HL and SL subjects combined to earn the diploma.
Failing to meet the CAS requirements is an automatic failing condition for the diploma. You will not be awarded the IB Diploma, even if you achieve a high score in your academic subjects.
Bonus points are very important. The extra 1, 2, or 3 points from the TOK EE matrix can be the difference between meeting a university’s entry requirements or falling just short. They are also a key differentiator on applications.
This calculator correctly implements the IB scoring rules. However, the final score depends on the official grades awarded by the IBO. This tool is best used for prediction and planning based on your expected grades.
The maximum possible score is 45 points: 42 from six subjects (a grade of 7 in each) and 3 bonus points from excellent performance in TOK and the Extended Essay.
Related Tools and Internal Resources
Explore more of our resources to help you succeed in the IB Diploma Programme.
- IB to ATAR Conversion Calculator – See how your IB score translates to an Australian Tertiary Admission Rank.
- How to Write the Extended Essay – A complete guide to tackling your 4,000-word research paper.
- Official IB Diploma Requirements – A detailed breakdown of all passing and failing conditions.
- What is a Good IB Score? – Understand how universities view different IB point totals.
- Understanding the TOK/EE Bonus Points Matrix – Maximize your core points with our in-depth analysis.
- The IB Points System Explained – A foundational look at how scoring works.