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Step 2 CK self-assessment estimator

NBME 15 Step 2 CK Score Calculator for CCSSA Form 15

Seventy-five wrong out of 200 lands on 218 exactly. This NBME 15 Step 2 CK score calculator takes misses, a percent, or a score you hold.

200 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 • 170 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

Form 15 converts at 300.50 minus 1.10 points per missed question, the highest starting value and the steepest penalty here. That spreads it wider than any sibling, so the NBME 15 Step 2 CK score calculator returns 301 for a flawless paper and 191 for a hundred misses.

NBME 15 score reference

Estimated three-digit score and pass probability at each wrong-answer count for NBME 15 (CCSSA Form 15).

NBME 15 wrong answers to estimated score reference
WrongCorrect %Est. scorePass prob.
0100.0%30199%
597.5%29599%
1095.0%29099%
1592.5%28499%
2090.0%27999%
2587.5%27399%
3085.0%26899%
3582.5%26299%
4080.0%25799%
4577.5%25199%
5075.0%24699%
5572.5%24099%
6070.0%23595%
6567.5%22988%
7065.0%22488%
7562.5%21875%
8060.0%21360%
8557.5%20745%
9055.0%20230%
9552.5%19615%
10050.0%19115%
10547.5%18515%
11045.0%18015%
11542.5%17415%
12040.0%16915%
12537.5%16315%
13035.0%15815%
13532.5%15215%
14030.0%14715%
14527.5%14115%
15025.0%13615%
15522.5%13015%
16020.0%12515%
16517.5%11915%
17015.0%11315%
17512.5%10815%
18010.0%10215%
1857.5%9715%
1905.0%9115%
1952.5%8615%
2000.0%8015%

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

How the NBME 15 Step 2 CK score calculator converts wrong answers

Enter your misses out of 200. The NBME 15 Step 2 CK score calculator subtracts 1.10 points per miss from 300.50.

Percent correct is the same input: 65 percent is 70 misses, and the NBME 15 Step 2 CK score calculator returns 224.

Have a three-digit number already? The NBME 15 Step 2 CK score calculator runs the line backwards to the miss count.

No score report needed. A paper tally feeds the NBME 15 Step 2 CK score calculator, and nothing leaves your browser.

Seventy-five wrong is 62.5 percent, and the NBME 15 Step 2 CK score calculator lands on 218 exactly.

A 1.10 slope skips more values than any sibling, so the NBME 15 Step 2 CK score calculator never prints 223, 234 or 245.

It is also the one form that overshoots the scale: a clean paper reads 301 on the NBME 15 Step 2 CK score calculator.

NBME 15 conversion chart: every miss on the NBME 15 Step 2 CK score calculator

Anchors: 10 wrong reads 290, 30 reads 268, 50 reads 246, 70 reads 224. The NBME 15 Step 2 CK score calculator fills the rest in.

Backwards, a 230 costs 64 misses, a 240 costs 55 and a 250 costs 46 on the NBME 15 Step 2 CK score calculator.

Nine questions buy each ten-point step, the one NBME 15 Step 2 CK score calculator figure worth revising against.

Pass probability comes off a step table, so the NBME 15 Step 2 CK score calculator reads 75 percent at 218 and 99 at 240.

At a converted 240 the NBME 15 Step 2 CK score calculator bands you 235 to 245.

Ninety wrong reads 202, a hundred reads 191, and the NBME 15 Step 2 CK score calculator holds that slope down.

Beside the form before this one the NBME 15 Step 2 CK score calculator agrees within two points across the passing range.

Wider spread is not a harder paper. The NBME 15 Step 2 CK score calculator simply moves further per question at both ends.

What a good predicted score looks like on Form 15

A converted 218 is the line itself, and the NBME 15 Step 2 CK score calculator bands it 213 to 223.

Good means the whole band clears 218 — on the NBME 15 Step 2 CK score calculator, a converted 224.

That is 70 wrong. At 220 the NBME 15 Step 2 CK score calculator still runs 215 to 225, so plan for the worse half.

This is usually the last paper, which is why a low NBME 15 Step 2 CK score calculator reading frightens people.

One late number does not overturn three earlier ones. Read the NBME 15 Step 2 CK score calculator as the newest point, not the line.

Five points under the trend is inside the band the NBME 15 Step 2 CK score calculator already publishes.

Twenty under means something about the sitting changed, and the NBME 15 Step 2 CK score calculator cannot say what.

How accurate the NBME 15 Step 2 CK score calculator is, and when to sit Form 15

The band on the NBME 15 Step 2 CK score calculator is plus or minus five, with an exam range three points below to four above.

That two-sided range puts the NBME 15 Step 2 CK score calculator with Form 14, apart from Forms 9 to 13.

Constants come from public data, not the exam makers; how each curve was fitted shows what the NBME 15 Step 2 CK score calculator is doing.

Conditions stay invisible: the NBME 15 Step 2 CK score calculator cannot see a paper sat untimed or with notes open.

Form 15 belongs in the final week, sat timed, or the NBME 15 Step 2 CK score calculator measures your review habits instead.

Leave days to act on it. A reading you cannot respond to is one the NBME 15 Step 2 CK score calculator wasted.

Pair the NBME 15 Step 2 CK score calculator with the official sample from the same fortnight, or put all seven on one scale.

Not affiliated with, endorsed by, or sponsored by the NBME or the USMLE program. Every NBME 15 Step 2 CK score calculator figure is an estimate.

Frequently asked questions

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

How many wrong answers pass on the NBME 15 Step 2 CK score calculator?

Seventy-five out of 200, or 62.5 percent, lands on 218. Seventy-six drops to 217.

A converted 224 is where the NBME 15 Step 2 CK score calculator band clears the line outright.

Is NBME 15 harder than the older Step 2 CK forms?

Its slope is the steepest here and its start the highest, which widens the spread rather than the difficulty.

Across the passing range the NBME 15 Step 2 CK score calculator agrees with Form 14 within two points.

What percent correct is a 250 on the NBME 15 conversion chart?

About 77 percent, or 46 wrong. A 240 needs 55 misses.

Ten points costs about nine questions on the NBME 15 Step 2 CK score calculator.

Why does the NBME 15 Step 2 CK score calculator return 301 for a perfect paper?

Because the NBME 15 Step 2 CK score calculator reports the fitted line untruncated. Only the band and exam range are held inside 140 to 300.

What is a good score on the NBME 15 Step 2 CK score calculator?

Anything from a converted 224 upward, where the NBME 15 Step 2 CK score calculator band clears 218. That is 70 wrong.

My NBME 15 score dropped. Does the last form override the rest?

No. A drop inside five points is inside the published band.

Read the NBME 15 Step 2 CK score calculator as the newest point on a trend rather than a verdict on it.

Can the NBME 15 Step 2 CK score calculator run an offline conversion?

Yes. A miss count out of 200 is the only input the NBME 15 Step 2 CK score calculator needs, so an answer sheet is enough.

Does percent correct give the same NBME 15 score conversion?

It does. Percent, misses and a score are three doors into one NBME 15 Step 2 CK score calculator line.

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.

Seventy-five wrong still reads 218 on Form 15, and the NBME 15 Step 2 CK score calculator needs no account.

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