Nbme 9 Offline Score Conversion <Direct Link>
| 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 (±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 |
NBME 9 offline score conversion is a useful estimate but not a substitute for official scoring. Use the raw-to-3-digit table or linear formula to gauge your standing, but always verify with an online NBME self-assessment before your real exam. If you are in the passing zone (>114 raw for Step 1 or >114 raw for Step 2 CK with respective formulas), keep working hard. If not, adjust your study plan immediately.
Good luck with your preparation!
To estimate a 3-digit score from an offline NBME Form 9 (Step 2 CK) result, you can use raw percentages and mistakes to find an approximate correlation. Note that NBME Form 9 is widely considered to have a harsher curve than other Step 2 CK forms. NBME Form 9 Conversion Table (Approximate)
Based on historical community data and statistical models, here are the estimated 3-digit score correlations for raw mistakes on NBME 9: Mistakes Est. 3-Digit Score 17 258 25 248 29 244 35 237 40 230 42 229 43 228 52 218 55 215 Automated Conversion Tools
For a more precise calculation without manual lookups, you can use these community-developed tools:
Muhammad Khabbaz Offline Converter: A popular web tool that converts raw scores for various NBME forms into 3-digit estimates.
PredictMyStepScore: Uses aggregate data from various practice exams to provide a predicted Step score.
MedschoolGurus Calculator: Offers downloadable Excel sheets to automate these conversions. Key Performance Indicators
Passing Threshold: A raw score of approximately 62–65% is typically considered the minimum passing threshold for most NBME self-assessments.
Safe Zone: Most students and advisors suggest reaching a score of 70% or higher (roughly a 225+ 3-digit score) to ensure a high probability of passing the actual exam.
How many incorrect answers did you get on Form 9 so I can help you find your specific estimated score?
NBME score conversion seems wild... 60% is a 186??? : r/step1
For NBME Form 9 (Step 2 CK), the most widely accepted offline score conversion formula is based on a regression of community-reported data. Since NBME does not provide an official offline conversion table, this formula serves as a common estimate for your predicted three-digit score. Score Conversion Formula nbme 9 offline score conversion
The predicted score is calculated by subtracting 1.09 points for every incorrect answer from a starting constant:
Predicted Score=298.45−(1.09×Wrong Answers)Predicted Score equals 298.45 minus open paren 1.09 cross Wrong Answers close paren
Each additional wrong answer reduces your predicted score by approximately 1.09 points. Conversion Reference Table
Based on the formula above, here are estimated three-digit scores for common performance markers: Incorrect Answers Estimated 3-Digit Score Accuracy and Predictivity
Predictive Value: NBME 9 is often noted by students on Reddit to be slightly underpredictive, sometimes by as much as 20 points compared to the actual exam.
Margin of Error: Converting a single practice exam typically has a ±15 point margin of error.
Alternative Tools: You can use online calculators like the NBME 9 Score Predictor or the Muhammad Khabbaz Converter for automated calculation.
def convert_nbme_9(wrong_answers): return 298.45 - (1.09 * wrong_answers) calibration_points = 49: 245, 41: 254, 38: 257 results = w: round(convert_nbme_9(w)) for w in calibration_points print(f"Calibration results: results") raw_scores = [0, 10, 20, 30, 40, 50, 60, 70, 80, 90, 100] table_data = [(w, round(convert_nbme_9(w))) for w in raw_scores] print(f"Table data (Wrong Answers, Predicted Score): table_data") Use code with caution. Copied to clipboard NBME 9 Score Calculator Step 2 [Free 2026 Tool]
Understanding Your NBME Form 9 Offline Score For many medical students, NBME Form 9 is a critical benchmark in USMLE Step 2 CK preparation. However, taking this form "offline" means you won't receive the standard automated score report provided by the official NBME Self-Assessment
Converting a raw percentage of correct answers into a predicted three-digit USMLE score requires using community-derived formulas and data sets. How to Calculate Your Score To estimate your performance, first determine your raw percentage of correct answers (total correct / total questions). Standard Formula Estimation
: While specific curves vary per form, a common linear regression used for newer NBMEs is approximately is the number of incorrect questions). Form-Specific Data for NBME 9
: Recent student data suggests that for Form 9, a raw score of roughly 63% correct translates to a predicted score of Sample Score Conversion Table
Below is an approximate conversion guide based on community-sourced data and predictor tools like Raw % Correct Approx. 3-Digit Score Why Precision is Difficult It is important to remember that these conversions are estimations , not exact guarantees. Curve Variations | Raw Correct (out of 200) | %
: Each NBME form is curved differently based on its relative difficulty. Standard Deviation
: Most predictor calculators have a standard deviation of +/- 5 to 15 points. Experimental Questions
: Official exams often include non-scored experimental questions, which offline versions cannot account for. Next Steps for Your Prep
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 – 265+ Highly Competitive 80% – 84% 240 – 254 Strong Performance 75% – 79% 230 – 239 Solid/Above Average 70% – 74% 215 – 229 Average/Passing 65% – 69% 200 – 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 10–20 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.
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: On official NBME score reports, you see an
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?
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
When you take NBME 9 online via the official NBME platform, the algorithm adjusts your score based on the difficulty of the specific questions you answered. When you take an offline PDF, you are missing that adaptive weighting.
However, because NBME 9 is a fixed form (not adaptive like UWSA), the community has reverse-engineered the curve. NBME 9 contains 200 questions. Historically, the exam’s "equating" process translates raw correct answers into a 3-digit score.
Important Disclaimer: These conversions are estimates based on thousands of student self-reports (from Reddit, SDN, and Facebook groups). They are not official. The NBME changes its equating periodically. Use this as a guide, not a prophecy.
On official NBME score reports, you see an Equated Percent Correct (EPC) – not raw percent. EPC adjusts for form difficulty. Offline NBME 9 raw correct approximates the EPC only roughly.
Thus, do not use “percent correct” alone; use the raw-to-3-digit tables above.
The USMLE passing score for Step 1 is currently 196 (though this changes periodically; always check USMLE.org). According to community data, to achieve a 196 on NBME 9, you need approximately 135 correct answers out of 200.
That is a 67.5% raw correct.
Compare this to NBME 10, where a 196 might require only 60% raw correct. Again, NBME 9 is tougher.
Author: [Your Name/A Student Researcher] Date: April 13, 2026