NBME Score Calculator is a free study-planning tool for interpreting Step 1 and Step 2 CK self-assessments, including NBME forms, UWSA 1-3, and Free 120.
External tool opens in a new tab.
What is this tool?
Convert missed questions or percent correct from NBME, UWSA, and Free 120 practice tests into practical Step 1 readiness and Step 2 CK score estimates.
Best for
USMLE candidates who want a quick, independent estimate for interpreting practice-test performance and planning their next study step.
Pricing note
The calculator is free and requires no account. Estimates are educational only and do not replace official NBME or USMLE score reports.
Key features
Use cases
Estimate a Step 2 CK score range after completing an NBME form.
Review Step 1 pass readiness from recent practice performance.
Compare NBME, UWSA, and Free 120 trends while planning study time.
Pros
Cons
How to use
Choose Step 1 or Step 2 CK and select the assessment type and form.
Enter missed questions or percent correct from the practice report.
Calculate the estimated score, range, and readiness zone.
Compare the estimate with official reports and recent performance trends before making exam decisions.
FAQ
Is NBME Score Calculator official?
No. It is an independent educational tool and is not affiliated with NBME, USMLE, FSMB, or UWorld.
Which exams and forms are supported?
It supports Step 1 NBME 25-31, Step 2 CK NBME 9-16, UWSA 1-3, and a related Free 120 calculator.
Can I enter percent correct instead of wrong answers?
Yes. The calculator accepts either input mode when the matching assessment form is selected.
Should I use the estimate for scheduling my exam?
Use it as one study-planning signal alongside official reports, question-bank trends, and professional academic guidance.
