After you convert your offline NBME 9 score, what do you do?
Remember: NBME 9 is a horse pill. It is bitter, hard to swallow, but effective. Do not let a low converted score destroy your confidence. Use this conversion table as a flashlight in the dark, not a judge at your execution.
Good luck. You have got this.
Disclaimer: This article is for educational purposes. The NBME (National Board of Medical Examiners) does not endorse these conversion tables. Always verify your scores with official NBME assessments when possible.
The NBME Form 9 for USMLE Step 2 CK is widely considered one of the more difficult practice assessments due to its vague question stems and harsh scoring curve. Because the official online version provides an automated score, students taking it "offline" often rely on community-generated conversion data to estimate their 3-digit score. NBME 9 Offline Score Estimations
Based on collective data from medical student forums and score predictor tools, here is a general breakdown of how raw percentage correct typically translates to a 3-digit Step 2 CK score for Form 9: Percentage Correct Estimated 3-Digit Score Interpretation > 85% 255 β 265+ Highly Competitive 80% β 84% 240 β 254 Strong Performance 75% β 79% 230 β 239 Solid/Above Average 70% β 74% 215 β 229 Average/Passing 65% β 69% 200 β 214 Borderline/Low Pass < 65% At Risk of Failing Key Considerations for NBME 9
Underprediction: Many students report that NBME 9 underpredicts their final Step 2 CK score by as much as 10β20 points. It is often used as a baseline rather than a final predictor.
Question Weighting: NBME scores are scaled based on question difficulty, not just raw percentage. An offline raw score is only a rough approximation. nbme 9 offline score conversion
Outdated Content: Some users have noted that NBME 9 contains slightly outdated guidelines or "shitty" question phrasing compared to newer forms like NBME 13 or 14.
Missing Topics: Form 9 is known to lack significant coverage of newer high-yield topics such as Ethics and Quality Improvement (QI), which are heavily tested on the actual exam. How to Calculate Your Score
Count Your Wrongs: Subtract your incorrect answers from the total 200 questions.
Calculate Percentage: Divide your correct answers by 200 (e.g.,
Use a Predictor: For a more precise estimate, you can use community tools like the r/Step2 Score Converter or the ShinyApps NBME Converter.
To provide more tailored advice on whether you should move forward with your exam or focus on specific weak areas:
What was your raw percentage or number of incorrects on Form 9? How many weeks out are you from your scheduled test date? What is your target score for Step 2 CK? After you convert your offline NBME 9 score, what do you do
NBME 9 Offline Score Conversion (USMLE Step 1)
Important Note: As of January 2022, USMLE Step 1 is reported as Pass/Fail. However, many students still use NBME 9 to gauge their readiness and predict their Step 2 CK performance relative to their Step 1 baseline.
Because offline exams are taken without the official NBME scheduling interface, there is no automated score calculator. Below is the approximate conversion table used by the medical student community to convert your raw percentage of correct answers to a predicted 3-digit score.
| Raw Correct (out of 200) | Estimated 3-Digit Score | Approximate Percentile | |--------------------------|-------------------------|------------------------| | 160β200 | 240β260+ | 80thβ99th | | 150β159 | 230β239 | 65thβ75th | | 140β149 | 220β229 | 50thβ60th | | 130β139 | 210β219 | 35thβ45th | | 120β129 | 200β209 | 20thβ30th | | 114β119 | 194β199 | 10thβ15th | | 110β113 | 190β193 | 5thβ8th | | Below 110 | <190 | <5th |
Passing score (Step 1) = ~196 (historically; during NBME 9βs active era, passing was 194β196).
Key thresholds for NBME 9 (Step 1):
If you are taking NBME 9 offline:
Converting an offline (Step 2 CK) percentage to a 3-digit score is a common task for students using retired forms as study tools
. Because NBME 9 is widely considered one of the harder forms due to its vague question stems, finding an accurate curve is essential. Online Offline Conversion Tools
If you have your "percent correct," these tools provide the most updated estimates: Predict My Step Score : Specifically offers an NBME 9 offline conversion tool that uses crowd-sourced data from Reddit and SDN. The Match Guy : Features a Free Step 2 CK Score Converter
where you can select the specific NBME form and input the number of wrong answers to get an instant 3-digit score. Muhammad Khabbaz Converter
: A popular dedicated tool that converts percent correct to 3-digit scores for Step 1 and Step 2 CK NBMEs. Predict My Step Score Estimated Score Correlation Table While every form has a unique curve, data from the
This paper is designed to be a practical guide for medical students using the older NBME 9 form (from the CBSE/Comprehensive Basic Science Examination pool) in an offline, self-study setting.
(These are coarse; use only as ballpark ranges.) Remember: NBME 9 is a horse pill
| Raw Correct (out of 200) | % Correct | Predicted 3-Digit Score | Step 1 Interpretation | |--------------------------|-----------|-------------------------|----------------------| | 100 | 50% | 172 | Very low risk of passing | | 110 | 55% | 182 | High risk of failing | | 120 | 60% | 194 | Near passing (Β±2) | | 124 | 62% | 198 | Low pass (safe margin) | | 130 | 65% | 207 | Passing but borderline | | 140 | 70% | 216 | Average for Step 1 | | 150 | 75% | 226 | Good score | | 160 | 80% | 236 | Above average | | 170 | 85% | 246 | Excellent | | 180 | 90% | 255 | Outstanding | | 190 | 95% | 265 | Top percentile |