This correlation can be used for all USMLE Steps including Step 1, Step 2 CK and Step 3.

USMLE discontinued 2-digit score reporting, which began in July 1, 2011 and USMLE Program expects to eliminate the 2-digit score on or about April 1, 2013.

NBME Q Kaplan Q UW Q Bank USMLE 3-digit
<390 <40% <43% <190 (Fail)
400 41% 46% 197
410 43% 47% 198
420 45% 48% 200
430 47% 49% 202
440 48% 50% 203
450 51% 51% 204
460 51% 52% 205
470 53% 53% 207
480 55% 54% 208
490 57% 55% 210
500 58% 56% 216
510 60% 57% 218
520 61% 58% 220
530 63% 59% 222
540 63% 60% 224
550 65% 61% 226
560 66% 62% 228
570 67% 63% 230
580 68% 64% 232
590 68% 65% 234
600 69% 66% 236
610 69% 67% 238
620 70% 67% 238
630 71% 68% 240
640 72% 68% 240
650 73% 69% 241
660 74% 70% 243
670 75% 71% 245
680 76% 72% 247
690 77% 73% 249
700 78% 74% 251
710 79% 75% 253
720 79% 76% 255
730 80% 77% 257
740 81% 78% 259
750 81% 79% 261
760 82% 80% 263
770 82% 81% 265
780 83% 82% 266
790+ 84%+ 85%+ 270+