IB Diploma Grade Calculator
Calculate your estimated IB Diploma Programme score out of 45 points and track your progress.
Global Settings: Grade Boundary & Timezone
Group 1: Studies in Language and Literature
Please select a subject and level to provide details.
Group 2: Language Acquisition
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Group 3: Individuals and Societies
Please select a subject and level to provide details.
Group 4: Sciences
Please select a subject and level to provide details.
Group 5: Mathematics
Please select a subject and level to provide details.
Group 6: The Arts
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Theory Of Knowledge (TOK)
Weight: 67%
Weight: 33%
Extended Essay (EE)
Weight: 100%
*Timezone 1 (TZ1): Americas
*Timezone 2 (TZ2): Africa, Europe, Middle East, Asia Pacific
Disclaimer: This calculator provides an estimation based on available grade boundary data. Final scores are determined by the IBO.
How to Use the IB Diploma Grade Calculator
Our intuitive IB score calculator makes it easy to forecast your results. Follow these simple steps to get a clear picture of your academic standing:
- Select Exam Session: At the top, choose the correct exam session and timezone (e.g.,
M24 TZ1for May 2024, Timezone 1). This is crucial as grade boundaries can vary between sessions. - Choose Subjects and Levels: For each of the six subject groups, select the subject you are taking and specify whether it is at Higher Level (HL) or Standard Level (SL).
- Enter Component Scores: Once you select a subject and level, input sliders for each assessment component (like Paper 1, Paper 2, IA) will appear. Adjust the sliders to reflect your scores or predicted scores for each component.
- Input TOK and EE Scores: In the "Theory Of Knowledge" and "Extended Essay" sections, use the sliders to enter your estimated marks. The calculator will automatically determine your predicted letter grade (A-E) for each.
- Analyze Your Live Results: The sidebar on the right provides a real-time summary. You can see your total points, whether you are on track to be awarded the diploma, individual subject grades, core points, and a list of any failing conditions you might be meeting.
How Our Calculator Works: The Formula Explained
This IB predicted grades tool uses a multi-step process based on official IBO assessment structures to provide an accurate estimation. Here's a breakdown of the calculation:
1. Subject Score Calculation
First, we calculate your overall percentage for each subject. Each assessment component (Paper 1, IA, etc.) has a specific weight. The formula is:
Overall Percentage = Σ [ (Your Score / Max Score) * Component Weight ]
The sum (Σ) is taken over all components for that subject. This ensures that components with higher weightage contribute more to your final percentage.
2. Grade Boundary Conversion
Next, your overall percentage is converted into the iconic IB grade from 1 to 7. This is done by comparing your percentage against the official IB grade boundaries for your specific subject, level, and exam session. For example, if the boundary for a 7 is 80% and you scored 82%, you are awarded a 7.
3. TOK/EE Core Points Calculation
The three bonus points are determined by the official TOK EE Matrix Calculator logic. Your letter grades for Theory of Knowledge (TOK) and the Extended Essay (EE) are cross-referenced on a matrix to award 0, 1, 2, or 3 points. For instance, an 'A' in the EE and a 'B' in TOK results in 3 core points.
4. Final Diploma Score
Your final score is the sum of your grades from your six subjects plus your core points from the TOK/EE matrix.
Total Score = (Sum of 6 Subject Grades) + Core Points
The calculator also continuously checks your scores against the diploma award conditions published by the IBO (e.g., total points must be at least 24, no 'E' grade in TOK/EE, etc.) to determine your pass/fail status.
Example Calculation
Let's imagine a student, Alex, is taking English A HL. The components are:
- Paper 1 (35% weight): Alex scores 15 out of 20.
- Paper 2 (25% weight): Alex scores 22 out of 30.
- HL Essay (20% weight): Alex scores 16 out of 20.
- IA (20% weight): Alex scores 30 out of 40.
The calculator computes Alex's overall percentage for English A HL. If this percentage falls within the grade boundary for a 6 in that session, Alex is awarded 6 points. This process is repeated for all six subjects. If Alex gets a 'B' in TOK and a 'C' in the EE, they get 1 core point. The sum of the six subject scores and the 1 core point becomes their final IB Diploma score.
Tips for IB Students to Improve Your Score
- Focus on High-Weightage Components: Use the calculator to identify which assessments have the biggest impact on your grade and prioritize your revision time accordingly.
- Understand the Grade Boundaries: Knowing the approximate boundaries can help you set realistic targets for each subject. Our tool keeps this data updated for you.
- Don't Neglect the Core: The 3 bonus points from TOK and the EE can be the difference between passing and failing, or reaching a university's entry requirement. A strong effort here pays off.
- Practice with Past Papers: This is the most effective way to prepare for exams. It helps you understand the format, timing, and types of questions to expect.
- Master Your Internal Assessments (IAs): IAs are a great opportunity to secure a significant portion of your grade before final exams even begin. Plan them well and follow the rubric closely.
Frequently Asked Questions (FAQs)
The maximum score is 45 points. This consists of a maximum of 7 points for each of the six subjects (42 points) and a maximum of 3 bonus points from the Theory of Knowledge (TOK) and the Extended Essay (EE).
The minimum score required to be awarded the IB Diploma is 24 points, subject to meeting several other conditions. These include scoring at least 12 points on your HL subjects and not receiving an 'E' grade in TOK or the EE. Our calculator checks these conditions for you automatically.
The points are awarded based on a matrix that combines your grades (A to E) for both TOK and the EE. For example, getting A/A, A/B, or B/A will award you the full 3 points. You can find more details on the official International Baccalaureate website.
Yes, many students take four HL subjects and two SL subjects. The diploma requirements are still based on the total points and the other failing conditions. However, the requirement to score at least 12 points on HL subjects might be adjusted; always confirm with your school's IB coordinator.
Receiving a grade 'E' in either the Theory of Knowledge or the Extended Essay is an automatic failing condition. Regardless of your total points, you will not be awarded the IB Diploma.
This calculator uses grade boundary data from past IB exam sessions. While we strive for accuracy and use the latest available information, these boundaries can and do change slightly with each exam session. This tool should be used for estimation and planning purposes. The final, official grades are always determined by the IBO.