Free NBME Score Converter
Free NBME Score Converter for USMLE Step 1
Get your predicted Step 1 score instantly! Accurate CBSSA to Step 1 conversion calculator trusted by thousands of medical students preparing for USMLE exams.
Calculate your chance of passing Step 1
Choose the NBME you took and enter your percentage correct to get your chance of passing Step 1.
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Turn your NBME score into a passing Step 1 score
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Choose the NBME (CBSSA) form you took and enter your percentage correct. The converter turns it into your chance of passing Step 1, given as a range, for example 38-42%.
It is an estimate, not an official NBME score report. Your real result can land above or below it, so the most useful signal is the trend across several NBMEs rather than any single prediction.
Step 1 is reported as pass/fail, so the useful question is how likely you are to pass. The highest chance the converter gives is 99%, because no practice exam can promise a pass.
NBME 26 to 34.
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