By Dr. Jim Romano and Nancy Steen — Creators of the Destroyers
Many students ask how DAT score conversion works, especially now that the Dental Admission Test uses the updated three-digit 200–600 scoring scale introduced by the American Dental Association.
Understanding how your DAT score is calculated — and what it actually means — is one of the most important parts of preparing for dental school. In 2025, the ADA officially retired the old 1–30 scale and replaced it with a more precise three-digit system designed to better differentiate student performance.
Key facts about the current DAT scoring system
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DAT scores are reported on a 200–600 scaled score
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The national average is approximately 400
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Scores are equated, not curved
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There is no penalty for guessing
How DAT Score Conversion Works
The ADA does not publish a raw-to-scaled score conversion formula. Instead, your DAT score is calculated by converting the number of correct answers in each section into a scaled score between 200 and 600.
Each section is scored independently, and composite scores are then calculated from those section scores.
Important scoring components
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Each DAT section receives its own scaled score
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Academic Average (AA) is the average of:
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Biology
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General Chemistry
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Organic Chemistry
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Reading Comprehension
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Quantitative Reasoning
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Total Science (TS) reflects combined science performance across:
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Biology
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General Chemistry
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Organic Chemistry
(TS is not an average of the three scaled scores)
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Percentile ranks show how your performance compares to other test-takers
👉 For an overview of the exam structure itself, see:
What Is the DAT Exam?
How the DAT Scaled Score (200–600) Is Calculated
While the ADA does not disclose the exact statistical formula, the scoring process follows a well-established framework.
Step 1 — Raw score
Your raw score is simply the number of questions answered correctly.
There is no penalty for incorrect answers.
Step 2 — Score equating
Your raw score is converted to a scaled score (200–600) using equating, a statistical process that ensures fairness across different versions of the exam.
Step 3 — Percentile assignment
Your scaled score is then associated with a percentile rank, indicating how you performed relative to other DAT examinees.
👉 For a deeper explanation, see:
DAT Percentiles – How to Interpret Your Score
How Academic Average (AA) Is Calculated
Academic Average (AA) is the simple arithmetic mean of five scaled scores:
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Biology
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General Chemistry
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Organic Chemistry
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Reading Comprehension
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Quantitative Reasoning
PAT is not included.
Example:
Add the five scaled scores → divide by 5 → the result is your AA.
How Total Science (TS) Is Calculated
Total Science (TS) is based on your combined number of correct answers in:
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Biology
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General Chemistry
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Organic Chemistry
That raw total is then converted into one scaled score.
TS is not calculated by averaging the three science section scores.
What Is a “Good” DAT Score on the New Scale?
Although dental schools evaluate applicants holistically, these general benchmarks help put scores into context:
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450+ → Very competitive
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425–445 → Strong
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400 → National average
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360–390 → Below average
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350 and below → Weak for most programs
👉 For more context, see:
DAT Scores: What Do They Mean?
Frequently Asked Questions
Is the DAT curved?
No. DAT scores are equated, not curved.
Do dental schools see my raw scores?
No. Schools only see scaled scores and percentiles.
Can a strong DAT score offset a lower GPA?
Yes. Many applicants with lower GPAs earn interviews due to strong AA and TS scores.
Prepare with Proven DAT Resources
If you’re preparing for the DAT or OAT, the Math Destroyer and the full DAT and OAT Destroyer series are designed to strengthen problem-solving skills with targeted, exam-level practice.
Learn more:
For additional free help, join our DAT Destroyer Study Group on Facebook. Inside the group you’ll find:
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Dr. Romano’s Free Biology Review (Files section)
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Daily math questions
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A supportive student community
We also offer DAT and OAT classes, available online and in person at Snug Harbor: