Free 120 Step 2 Score Conversion Calculator
Enter your Free 120 percentage to get an independent Step 2 CK estimate and confidence interval. Use it with a recent CCSSA or UWSA rather than as a guaranteed one-to-one conversion.
Convert Free 120 percent to a Step 2 CK estimate
Pick your Step exam, then choose Free 120 as the source and enter your percentage correct.
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Free 120 score conversion: the quick answer
A Free 120 score conversion is a planning estimate from percent correct to a Step score range. It should answer one question: does your official-style sample exam agree with the rest of your practice data?
For Step 2 CK, the high-intent query is usually free 120 step 2 score conversion. That belongs on this calculator page, because students searching it want the tool first and the caveats immediately after.
- Use your raw percent correct, not a rounded block average if you have the total.
- Enter Free 120 as one input in the calculator, then add a recent CCSSA or UWSA.
- Compare the midpoint with the confidence interval before changing your test date.
- If Free 120 and your latest NBME disagree by more than 8-10 points, trust the range and investigate why.
Free 120 % → Step 2 CK conversion
Independent estimate—not an official NBME or USMLE conversion.
| Free 120 % | Step 2 CK | Match competitiveness |
|---|---|---|
| 50% | 217 | At risk |
| 60% | 228 | Pass |
| 65% | 234 | Pass |
| 70% | 240 | Average |
| 75% | 246 | Above avg |
| 80% | 252 | Strong |
| 85% | 257 | Competitive |
| 90% | 262 | Top tier |
| 95% | 268 | Elite |
* Step 1 candidates: ≥ 65% maps to ~95% pass probability. 95% CI ±4 pts when paired with at least one NBME.
How to use Free 120 in a score forecast
- Take the version that matches the Step exam you are preparing for
- Use percent correct as one input, not a guaranteed final score
- Compare it with a recent comprehensive NBME self-assessment
- Investigate large disagreements between recent practice results
- Plan from the confidence interval rather than the midpoint alone
Related score conversion tools
Free 120 is strongest when it agrees with another recent input. Use these pages to check whether your forecast is internally consistent.
Free 120 FAQs
What is the Free 120 score converter for Step 2?+
It is an independent calculator that turns your Free 120 percent correct into a Step 2 CK planning estimate. It is not an official USMLE or NBME conversion table, so use the estimate together with a recent comprehensive self-assessment.
How predictive is Free 120 for Step 2 CK?+
Free 120 is a useful late-stage readiness signal because its format and content outline resemble the live exam. It is still one assessment, so combine it with a recent CCSSA or UWSA and use the full predicted range.
Why is Free 120 so accurate?+
Its main value is familiarity with official-style questions and timing close to test day. There is no official one-to-one percentage-to-score conversion, so the table below is an independent estimate rather than an NBME or USMLE score report.
When should I take Free 120?+
Most students get the cleanest planning signal inside the final 1-2 weeks. Earlier can still be useful for pacing practice, but the score becomes less tied to test-day readiness as more study time remains.
What Free 120 percentage equals a 250 Step 2 CK?+
Approximately 78-80% on Free 120 corresponds to a Step 2 CK around 250.
Does Free 120 also predict Step 1?+
Yes for Step 1 candidates — there is a separate Step 1 Free 120. Use the Step 1 selector in the calculator below.
Should I use an older 2019 Free 120 conversion chart?+
Older charts can be useful as rough context, but they may reflect older item sets and student samples. Prefer a current percent-correct estimate and compare it with your latest CCSSA or UWSA before making test-day decisions.