AP Bio Score Calculator
Estimate your AP Biology exam score from multiple-choice and free-response raw points using the official composite score conversion chart.
How AP Biology Scores Are Calculated
The AP Biology exam has two sections: 60 multiple-choice questions and 6 free-response questions. Each section contributes 50% of the final score. Raw points are combined into a composite score out of 120, then mapped to an AP score from 1 to 5.
Composite Score Formula
$$\text{Composite} = \text{MCQ} + \text{FRQ} \times \frac{60}{36}$$AP Score Conversion Chart
- 5 (Extremely well qualified): 93 to 120
- 4 (Well qualified): 74 to 92
- 3 (Qualified): 51 to 73
- 2 (Possibly qualified): 28 to 50
- 1 (No recommendation): 0 to 27
Related tools: ACT Score Calculator, GPA Calculator, and Grade Calculator.
Frequently Asked Questions
How long is the AP Biology exam?
The exam is 3 hours total: 90 minutes for multiple choice and 90 minutes for free response, with a short break between sections.
Is a 4 a good AP Bio score?
Yes. A score of 4 is considered well qualified. Only about 43% of students earn a 4 or 5 on the AP Biology exam.
How many FRQ points are possible?
The free-response section has 36 total points: two long questions worth 10 points each and four short questions worth 4 points each.
Does the College Board adjust cutoffs each year?
Yes. The conversion chart is an estimate. The College Board adjusts scoring thresholds based on exam difficulty each year.
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