Convert old MCAT to new MCAT is a phrase that many pre‑med students encounter when they need to compare scores from the pre‑2015 exam with the current version used by medical schools today. Understanding how the two scoring systems relate is essential for applicants who have taken the older test, are reviewing historical data, or are advising peers who studied under the former format. This guide walks you through the reasons for conversion, the official methods provided by the AAMC, and a clear, step‑by‑step process you can follow to translate your legacy scores into the new scale with confidence.
Understanding the Evolution of the MCAT
Old MCAT (Pre‑2015) Overview
Before April 2015, the Medical College Admission Test consisted of three multiple‑choice sections: Physical Sciences, Verbal Reasoning, and Biological Sciences. Each section was scored on a scale from 1 to 15, and the scores were added together to produce a total score ranging from 3 to 45. A writing sample was also administered, but it was reported separately on an alphabetical scale (J–T) and did not factor into the numeric total Less friction, more output..
New MCAT (Post‑2015) Overview
The revised exam, launched in 2015, expanded to four sections:
- Chemical and Physical Foundations of Biological Systems
- Critical Analysis and Reasoning Skills (CARS)
- Biological and Biochemical Foundations of Living Systems
- Psychological, Social, and Biological Foundations of Behavior
Each section is scored from 118 to 132, with the total score falling between 472 and 528. The new format also integrates concepts from biochemistry, psychology, and sociology, reflecting the competencies medical schools now prioritize.
Why Convert Old MCAT Scores to New MCAT Scale
- Application Consistency: Many medical schools request a single MCAT score for comparison. If you only have an old score, converting it lets you present a comparable figure.
- Scholarship and Program Eligibility: Some programs set minimum thresholds based on the new scale; conversion ensures you know whether you meet those criteria.
- Self‑Assessment: Tracking progress over time requires a common metric. Converting older practice test results to the new scale helps you gauge improvement accurately.
- Advising and Mentoring: Advisors who worked with students before 2015 often need to translate legacy data when guiding current applicants.
The Official Conversion Process
The Association of American Medical Colleges (AAMC) provides the only authoritative method for converting old MCAT scores to the new scale. Rather than a simple mathematical formula, the AAMC derived a score concordance table based on empirical data from thousands of test‑takers who took both versions during the transition period.
AAMC's Score Conversion Table
The table maps each possible old total score (3–45) to a range of new total scores (472–528). Because the old exam had fewer score points, each old score corresponds to a band of new scores rather than a single value. For example:
- Old total 30 → New total 498–502
- Old total 35 → New total 508–512
- Old total 39 → New total 516–520
The table also includes section‑by‑section concordances for the three legacy sections (Physical Sciences, Verbal Reasoning, Biological Sciences) to the four new sections. When converting, you typically start with the total score, then optionally break it down into section equivalents if a program requests subsection data.
Using Online Conversion Tools
Several reputable test‑prep websites host calculators that embed the AAMC concordance table. These tools let you input your old total (or section) scores and instantly receive the corresponding new score range. While convenient, always verify that the tool cites the AAMC as its source; otherwise, you risk relying on an outdated or inaccurate conversion.
Step‑by‑Step Guide to Convert Old MCAT to New MCAT
Step 1: Locate Your Old Score Report
Find the official score report you received after taking the pre‑2015 MCAT. It will list three numeric scores (each 1–15) and a total score (3–45). If you only have a photocopy, ensure the numbers are legible Easy to understand, harder to ignore..
Step 2: Identify Each Section Score
Record the three section scores:
- Physical Sciences (PS)
- Verbal Reasoning (VR)
- Biological Sciences (BS)
Having these values handy allows you to use the section‑specific concordance if needed.
Step 3: Apply the Conversion Formula/Table
- Total Score Conversion: Locate your old total in the AAMC total‑score concordance table. Note the new total score range presented.
- Optional Section Conversion: If you need section equivalents, consult the AAMC section concordance table. For each old section score, find the corresponding new section score range (118–132).
- Select a Representative Value: Because each old score maps to a range, many applicants choose the midpoint of the new range for reporting purposes. To give you an idea, an old total of 33 maps to 502–506; the midpoint is 504.
Step 4: Interpret the Converted Scores
Compare your converted new total (or section scores) to the average scores of admitted students at your target schools. Remember that the conversion provides an estimate, not an exact equivalence, due to differences in exam content and difficulty. Use the converted score as a benchmark, not a guarantee of admissions outcome.
Practical Examples
Example 1: A student earned an old MCAT of **2
Example 1: A student earned an old MCAT of 32 (total score). Referring to the AAMC concordance table, this maps to a new total score range of 504–508. Choosing the midpoint, the converted score would be 506. If the student’s section breakdown was Physical Sciences 11, Verbal Reasoning 9, and Biological Sciences 12, the concordance tables would further translate these into new section ranges (e.g., PS 11 → 126–128, VR 9 → 124–126, BS 12 → 128–130).
Example 2: Another applicant scored an old total of 37, placing them in the 512–516 range under the new system. Their midpoint is 514. If their old section scores were PS 13, VR 11, and BS 13, these would correspond to new section ranges of 130–132, 128–130, and 130–132, respectively, again using midpoints for simplicity Simple, but easy to overlook..
Final Considerations
While the conversion process provides a useful approximation, it is not a perfect substitute for the updated exam. The new MCAT’s structure, content emphasis, and scoring methodology differ fundamentally from its predecessor. As such, medical schools often assess old scores in context, considering factors like the test-taker’s academic performance, extracurricular activities, and personal statement.
For applicants planning to apply to programs that require the new MCAT, retaking the exam is advisable. On the flip side, for those applying to institutions that accept legacy scores, the conc
For those applying to institutions that accept legacy scores, the concordance tables provide a helpful framework for contextualizing past performance, but applicants should verify specific school policies regarding score reporting requirements and validity periods.
Conclusion
While the MCAT score conversion process offers a valuable tool for navigating the transition between exam formats, applicants should approach these numbers with appropriate caution. The concordance tables serve as guidance rather than absolute equivalence, and individual admissions committees weigh standardized test scores within the broader context of each candidate's profile. Worth adding: whether you are converting legacy scores for comparison purposes or preparing to sit for the updated examination, focus on presenting a comprehensive application that highlights your academic readiness, clinical exposure, and personal motivation for pursuing medicine. In the long run, the MCAT represents one component of a holistic review process, and strategic score reporting—combined with strong supporting materials—will position you most effectively for success in the competitive medical school admissions landscape.