NBMEcalculator

NBME Calculator is an online score conversion and readiness tool designed for students preparing for USMLE Step 1 and Step 2 CK. Its main purpose is to help users turn NBME, UWSA, and Free 120 practice exam performance into an estimated 3-digit USMLE score. Users can choose their exam type, select a specific practice form, enter the number of incorrect answers or percent correct, and instantly receive a predicted score, pass probability, and readiness verdict. The tool supports Step 1 forms such as NBME 25–31, UWSA 1, UWSA 2, and Free 120, as well as Step 2 CK forms including NBME 9–15, UWSA 1, and UWSA 2. Each form is treated separately because different exams have different scoring curves, question counts, difficulty levels, and recommended timing during a study plan. The site also includes a local score tracker, allowing users to save practice results in their browser, review previous scores, compare latest and average performance, and visualize progress over time. In addition to score calculation, NBME Calculator provides score benchmarks, exam scheduling information, form sequencing guidance, frequently asked questions, and dedicated pages for specific practice forms. Overall, it is an independent educational planning tool, not an official NBME or USMLE product, built to help medical students interpret practice exam results, monitor readiness, and make more informed decisions before test day.