New Free 120 (2023) to Step 2 CK conversion
Based on 1,966 real score reports that included a New Free 120 (2023) result. Scores on this form are reported as a percentage and calibrated directly against real outcomes. Used alone, a New Free 120 (2023) score predicts the real result with a typical error of about ±6.6 points. Combining multiple tests usually reduces the error.
Looking for the Old Free 120 (2021)? Open that converter →
Each dot is one real report: their New Free 120 (2023) result against the Step 2 CK score they went on to get. Hover or tap a dot to see that person's full test list. r = 0.67, n = 1,920.
The calculator assumes the test was taken about 3 days before the exam, the typical timing in the underlying reports. Taking it closer to test day shifts the prediction; the main predictor uses your exact timing and every other test you have taken.
Common questions
How is the New Free 120 (2023) percentage converted?
The conversion is calibrated directly against real outcomes from students who reported both a New Free 120 (2023) result and their actual Step 2 score.
How accurate is New Free 120 (2023) alone at predicting Step 2?
A single New Free 120 (2023) score predicts the real result with a typical error of about ±6.6 points. The main predictor combines several tests, which usually reduces the error.
Combine your scores
Combine your practice scores and test dates in the full predictor. Open the predictor →
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