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Step 2 CK self-assessment estimator

UWSA 1 Step 2 CK Score Calculator

This UWSA 1 Step 2 CK score calculator rebuilds the conversion from eight percent-correct anchors, then prints a realistic range that sits three to eight points below your converted score.

160 questionsPassing ≈ 218Runs in your browser

Not affiliated with, endorsed by, or sponsored by the NBME® or USMLE®. Educational estimates only.

Enter your result

Any way you have it — wrong answers, percent correct, or a score you were already given.

= 85.0% correct • 136 correct

Enter your result and press Calculate to see your estimated three-digit score, pass probability, and what the result means.

Quick take on this form

UWSA 1 is UWorld's first Step 2 CK self-assessment: 160 questions, with a three-digit prediction handed straight to you. The UWSA 1 Step 2 CK score calculator adds what UWorld leaves out. Sixty-two wrong converts to 218, and the realistic range under it reads 210 to 215.

UWSA 1 score reference

Estimated three-digit score and pass probability at each wrong-answer count for UWSA 1 (Step 2 CK).

UWSA 1 wrong answers to estimated score reference
WrongCorrect %Est. scorePass prob.
0100.0%28799%
596.9%28299%
1093.8%27799%
1590.6%27299%
2087.5%26799%
2584.4%26299%
3081.3%25799%
3578.1%25299%
4075.0%24699%
4571.9%24099%
5068.8%23395%
5565.6%22683%
6062.5%22060%
6559.4%21431%
7056.3%21120%
7553.1%20812%
8050.0%2046%
8546.9%2003%
9043.8%1971%
9540.6%1931%
10037.5%1891%
10534.4%1851%
11031.3%1821%
11528.1%1781%
12025.0%1741%
12521.9%1701%
13018.8%1671%
13515.6%1631%
14012.5%1591%
1459.4%1551%
1506.3%1521%
1553.1%1481%
1600.0%1441%

Estimates only. Rows step by five wrong answers; your exact result is calculated above.

How the UWSA 1 Step 2 CK score calculator converts 160 questions

Eight anchors tie percent correct to a three-digit score, and the UWSA 1 Step 2 CK score calculator joins them with straight segments instead of one line.

Past the top anchor the UWSA 1 Step 2 CK score calculator keeps the nearest slope, which is why a flawless 160 questions reads 287 and not 300.

Wrong answers, percent correct, or the number UWorld already printed: every route reaches the same curve inside the UWSA 1 Step 2 CK score calculator.

Report expired? Enter 70 percent and the UWSA 1 Step 2 CK score calculator returns 48 misses, a converted 236, and a realistic band of 228 to 233.

Segments are not equal. Between 65 and 70 percent the UWSA 1 Step 2 CK score calculator moves 2.2 points per percentage point, against 1.0 near 55 percent.

Eight questions are worth 11 points in one stretch and 5 in another, and the UWSA 1 Step 2 CK score calculator shows that instead of averaging it away.

Nothing is uploaded and nothing is stored. The UWSA 1 Step 2 CK score calculator runs in your browser, so a private sitting stays private.

UWSA 1 Step 2 CK score calculator chart: eight anchors and the gaps

The chart runs all 160 rows, but only eight are data; every other row in the UWSA 1 Step 2 CK score calculator is interpolation.

Those eight: 80 wrong reads 204, 64 wrong reads 215, 56 wrong reads 225, and 48 wrong reads 236 in the UWSA 1 Step 2 CK score calculator.

Higher up, 40 wrong reads 246, 32 wrong reads 255, and 24 wrong reads 263, the last anchor the UWSA 1 Step 2 CK score calculator was fitted to.

Below the 50 percent anchor the UWSA 1 Step 2 CK score calculator extrapolates, so 88 wrong reads 198 and 96 wrong reads 192.

Between the rows sits a line drawn to join dots, so read the UWSA 1 Step 2 CK score calculator at its anchors, not deep in a gap.

The UWSA 1 Step 2 CK score calculator gains 1.0 points per percentage point near 55 percent correct, 2.2 near 65, and 1.6 above 80.

A curve with kinks in it is telling you something. The UWSA 1 Step 2 CK score calculator came from a handful of points, not a formula.

What actually clears 218 on this form

The 218 passing standard is where the bands sit, and the UWSA 1 Step 2 CK score calculator puts exactly 62 misses out of 160 on that line.

At 62 misses the probability reads 50 percent, yet the UWSA 1 Step 2 CK score calculator prints a realistic range of 210 to 215, all under 218.

Both readings are honest: the UWSA 1 Step 2 CK score calculator takes probability from the raw score and the range from how this form behaves.

At 56 misses the UWSA 1 Step 2 CK score calculator reports 80 percent; at 72 misses it reports 17.

When the two disagree, act on the range. The UWSA 1 Step 2 CK score calculator slides from 225 to 218 between 56 and 62 misses.

Seven points decided by six questions is the thinnest strip here, and the UWSA 1 Step 2 CK score calculator flags that band as at risk.

A good result is one whose corrected band clears 218 in the UWSA 1 Step 2 CK score calculator, not one whose headline number does.

How far to trust the UWSA 1 Step 2 CK score calculator, and when to sit the form

The anchors are fitted to reported outcomes, not published by UWorld or the NBME, so the UWSA 1 Step 2 CK score calculator carries real error.

It also assumes the form flatters you: the UWSA 1 Step 2 CK score calculator subtracts 3 to 8 points before printing the realistic range.

The NBME clinical forms here do the opposite, leaving the UWSA 1 Step 2 CK score calculator as the one model on this site correcting downward.

That shift is an assumption the UWSA 1 Step 2 CK score calculator applies to everyone. Why some models correct downward sets out the arithmetic.

Overprediction is widely reported for vendor self-assessments and no verifiable figure for it exists, so the UWSA 1 Step 2 CK score calculator states its correction openly.

Sit the form once a full clinical pass is done, timed and in one block, then let the UWSA 1 Step 2 CK score calculator read it.

Most people keep the second UWorld assessment for Step 2 CK for the final stretch and run the UWSA 1 Step 2 CK score calculator mid-dedicated.

After that, line it up against forms 9 to 15. The Step 1 version of this form uses a curve the UWSA 1 Step 2 CK score calculator does not share.

Take the corrected band into your scheduling decision, because that is the number the UWSA 1 Step 2 CK score calculator would defend.

Frequently asked questions

Straight answers about what this estimate can and cannot tell you.

What does the UWSA 1 Step 2 CK score calculator convert 160 questions into?

A three-digit estimate. The UWSA 1 Step 2 CK score calculator turns 40 wrong into 246, 48 wrong into 236, and 62 wrong into 218, with a realistic range 3 to 8 points under each.

Why does the UWSA 1 Step 2 CK score calculator print a range below my score?

This site models UWSA 1 as an optimistic form. The UWSA 1 Step 2 CK score calculator subtracts where the NBME clinical pages add, and near 218 that turns a safe-looking result into an unresolved one.

Does the UWSA 1 Step 2 CK score calculator assume the form overpredicts?

It does. No independently verifiable figure for that gap exists, so the 3-to-8-point shift the UWSA 1 Step 2 CK score calculator applies is a stated assumption, not a measured constant.

When should I run the UWSA 1 Step 2 CK score calculator in dedicated study?

Mid to late, after a full content pass and before UWSA 2. Taken cold, the UWSA 1 Step 2 CK score calculator mostly measures unconsolidated material on a form that already reads high.

Can the UWSA 1 Step 2 CK score calculator work from the UWorld predicted score?

Yes. Type in the three-digit number UWorld gave you and the UWSA 1 Step 2 CK score calculator returns the corrected range and pass probability for it, no wrong-answer count needed.

My CCSSA form and the UWSA 1 Step 2 CK score calculator disagree. Which one?

The two are modelled with opposite corrections, so a gap is expected. Plan from the lower band, and read the trend across your forms as better evidence than the UWSA 1 Step 2 CK score calculator alone.

What makes the UWSA 1 Step 2 CK score calculator move fastest near 65 percent?

That segment is the steepest on the curve, worth 2.2 points per percentage point. Nearer 55 percent the UWSA 1 Step 2 CK score calculator moves 1.0, so small changes deserve little weight.

Is the UWSA 1 Step 2 CK score calculator free, and does it store my result?

Free, no account, nothing kept on a server. The UWSA 1 Step 2 CK score calculator runs entirely in your browser, which is also why it keeps working offline.

Cross-check this estimate against another form, or read how the models are built.

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Send it to a study partner sitting the same form, or print a copy once you have run your numbers.

Sixty-two wrong of 160 is where 218 sits, and the UWSA 1 Step 2 CK score calculator is free.

Not affiliated with, endorsed by, or sponsored by the NBME® or USMLE®. Educational estimates only.