IB Grade Calculator

Accurately predict your final International Baccalaureate Diploma Programme score.

Enter Your Grades

Your Predicted IB Score

— / 45

Enter grades to see diploma status.

Chart: Breakdown of IB Subject Scores

What is the IB Grading System?

The International Baccalaureate (IB) Diploma Programme uses a unique points-based system instead of traditional letter grades or GPAs. The final score is a culmination of performance across six subjects and a core component, with a maximum possible score of 45 points. This score is highly regarded by universities worldwide for its comprehensive and rigorous nature. An ib grade calculator is an essential tool for students to track their progress and predict their final outcome.

Each of the six subjects (three at Higher Level and three at Standard Level) is graded on a scale of 1 to 7, with 7 being the highest. This makes for a total of 42 points from academic subjects. The remaining 3 points, known as “bonus points,” are derived from the Core components: the Extended Essay (EE) and Theory of Knowledge (TOK). Understanding this breakdown is key to using an ib grade calculator effectively.

IB Grade Calculation Formula and Explanation

The formula for your total IB score is simple in principle but has important details, especially regarding the bonus points. The ib grade calculator automates this for you.

Total IB Score = (Sum of 6 Subject Grades) + (TOK/EE Bonus Points)

The six subject grades are straightforward sums of the points awarded (1-7) for each class. The bonus points are determined by the combination of your grades (A-E) in the Extended Essay and Theory of Knowledge, according to the official IB matrix.

The Core Bonus Points Matrix

The grades for your Extended Essay (EE) and Theory of Knowledge (TOK) are combined to award up to 3 bonus points. An ‘E’ in either the EE or TOK is considered a failing condition for the diploma. This matrix is a critical part of any accurate ib grade calculator.

TOK and EE Bonus Points Matrix

		Theory of Knowledge (TOK)
		A	B	C	D
Extended Essay (EE)	A	+3	+3	+2	+2
	B	+3	+2	+1	+1
	C	+2	+1	+1	0
	D	+2	+1	0	0

For more detail on this, see our guide on the IB bonus points matrix.

Practical IB Score Examples

Example 1: High-Achieving Student

• Inputs:
  • Subject Grades: 7, 7, 6, 6, 6, 5 (Total: 37)
  • TOK Grade: A
  • EE Grade: B
• Calculation:
  • Subject Points: 37
  • Bonus Points (A in TOK, B in EE): +3
• Result: 40 / 45. This is an excellent score, competitive for top universities.

Example 2: Average Student Meeting Conditions

• Inputs:
  • Subject Grades: 5, 5, 4, 4, 4, 4 (Total: 26)
  • TOK Grade: C
  • EE Grade: B
• Calculation:
  • Subject Points: 26
  • Bonus Points (C in TOK, B in EE): +1
• Result: 27 / 45. This score is above the 24-point minimum and likely results in a diploma. Check out our analysis of what makes a good IB score for more context.

How to Use This IB Grade Calculator

1. Enter Subject Grades: For each of your six subjects, enter the grade you expect to receive, from 1 (lowest) to 7 (highest).
2. Select Core Grades: Use the dropdown menus to select your predicted grades for Theory of Knowledge (TOK) and the Extended Essay (EE).
3. Calculate Your Score: Click the “Calculate Score” button.
4. Review Your Results: The calculator will instantly display your total predicted IB score, the subtotal from subjects, your core bonus points, and a preliminary diploma status. The chart will also update to visualize your subject scores. Use our predicted IB grade estimator for more granular analysis.

Key Factors That Affect Your IB Score

• HL vs. SL Performance: Universities often look closely at your Higher Level (HL) subject scores. A minimum of 12 points across your three HL subjects is typically required.
• Subject Consistency: Avoiding a very low grade (1 or 2) is crucial. A single grade of 1 in any subject is a failing condition.
• The Core (TOK/EE): Don’t neglect the core! Earning 2-3 bonus points can significantly boost your total score and make your application more competitive. Getting an ‘E’ in either is an automatic fail.
• Internal Assessments (IAs): IAs account for 20-30% of your final grade in a subject. Strong performance here can buffer against a weaker exam day.
• Exam Preparation: Final exams carry the most weight. Consistent revision and practice are non-negotiable for securing top grades.
• CAS Completion: While it doesn’t contribute points, completing the Creativity, Activity, Service (CAS) component is a mandatory requirement for earning the diploma. Explore our guide on how to choose IB subjects to align with your strengths.

Frequently Asked Questions (FAQ)

What is the minimum score to pass the IB Diploma?

The minimum score required to be awarded the IB Diploma is 24 points, provided all other passing conditions are met. Our guide on IB passing requirements has more details.

What is considered a good IB score?

A score of 30-32 is around the global average. A score of 35 or above is generally considered very good, while 38+ is excellent and competitive for highly selective universities. A score of 40 or more places you in the top tier of IB students globally.

Can I get the diploma with a grade of 2 or 3?

Yes, but there are limits. You cannot have more than two grades of 2 (at HL or SL), and you cannot have more than three grades of 3 or below. The ib grade calculator helps visualize your standing, but the official IB rules are the final authority.

How is an IB score converted to a GPA?

There is no universal conversion formula, as each university has its own policy. However, many use a scale where a 7 is a 4.0, a 6 is a 3.7, etc. Our IB to GPA converter provides a common estimation.

What happens if I get an ‘E’ in TOK or the Extended Essay?

Receiving a grade of ‘E’ on either Theory of Knowledge or the Extended Essay is an automatic failing condition for the IB Diploma, regardless of your total point score.

How accurate is this ib grade calculator?

This calculator is arithmetically precise based on the IB’s public scoring rules. It correctly sums subject points and applies the official TOK/EE bonus point matrix. Your final score depends on the official grades you are awarded by the IBO.

Does this calculator consider HL and SL point requirements?

The calculator provides a preliminary diploma status based on the most common failing conditions (total points, grade of 1, ‘E’ in core). It does not check for specific HL/SL point totals (e.g., minimum of 12 points in HL subjects), which is another passing requirement.

When are IB results released?

For the May examination session, results are typically released on July 5th or 6th. For the November session, results are released on January 2nd of the following year.