To convert your NBME Form 9 offline percentage into a 3-digit USMLE score, you can use general linear regression formulas or community-sourced tools specifically for Form 9. 1. General Formula for Form 9
Your scores on (UWorld SIMs or active NBMEs)
To get a more precise prediction than a simple table, use online calculators that use updated regression analysis.
This table is the most widely cited for offline NBME 9: nbme 9 offline score conversion
The chart below maps your total correct answers (out of 200) and your percentage correct directly to an estimated three-digit USMLE Step 2 CK score. This data is synthesized from historical correlation threads and student-reported outcomes. Total Correct (Out of 200) Percentage Correct Estimated USMLE Step 2 CK Score 265+ (Excellent) 170 160 150 140 130 120 110 192 (Borderline Pass) 104 or fewer 52% or fewer Below 185 (Fail Risk)
: Take the test under strict conditions—no distractions, timed breaks, and no "quick checks" of your notes.
Estimated 3-Digit Score=(Raw Percentage×2.3)+50Estimated 3-Digit Score equals open paren Raw Percentage cross 2.3 close paren plus 50 Example calculation: Using the same 70% raw correct score: 70×2.3=16170 cross 2.3 equals 161 To convert your NBME Form 9 offline percentage
: If you score below 60%, experts recommend pausing your NBMEs to review UWorld Incorrects and solidify your core concepts before attempting the next form.
This public link is valid for 7 days and shares a thread, including any personal information you added. This link or copies made by others cannot be deleted. If you share with third parties, their policies apply. Can’t copy the link right now. Try again later.
Raw Percentage (%)=(Number of Correct Answers200)×100Raw Percentage (%) equals open paren the fraction with numerator Number of Correct Answers and denominator 200 end-fraction close paren cross 100 Step 2: Apply the Conversion Equation This table is the most widely cited for
Active NBME forms (such as Forms 25 through 31) are purchased directly through the MyNBME portal and provide an automated interactive score report, including a precise probability of passing if you take the exam within a week. However, active forms are limited.
Allocate 45 minutes of total break time to distribute between the blocks, mimicking the pacing of the real USMLE Prometric experience. Step-by-Step Guide to Analyzing Your Results