Relative Percent Index - 2009-2010


Year:
2009-10 NBA RPI Rankings
RKTEAMRPIWLPCTSOSPWRPFPAEWLEWP
1 LA Lakers .568 40 13 .755 .505 2 5477 5126 40-13 .749
2 Cleveland .564 42 11 .792 .487 1 5372 4981 41-12 .777
3 Atlanta .548 33 17 .660 .511 6 5103 4854 35-15 .695
  Utah .548 32 18 .640 .517 3 5131 4877 35-15 .698
5 Orlando .542 35 17 .673 .499 5 5250 4978 37-15 .706
6 Denver .540 35 17 .673 .496 4 5592 5306 37-15 .704
7 Dallas .533 32 20 .615 .505 10 5266 5177 30-22 .570
8 Boston .530 32 17 .653 .489 11 4852 4593 35-14 .712
9 Oklahoma City .529 30 21 .588 .509 9 5024 4866 32-19 .629
10 Phoenix .528 31 21 .596 .506 7 5723 5588 31-21 .597
11 Portland .521 30 24 .556 .510 12 5255 5140 32-22 .590
  Houston .521 27 24 .529 .518 17 5122 5122 26-26 .500
13 San Antonio .520 29 21 .580 .500 13 5034 4814 34-16 .676
14 Toronto .512 28 23 .549 .500 8 5336 5363 24-27 .479
15 Memphis .509 26 25 .510 .509 15 5226 5278 23-28 .459
16 Miami .506 25 27 .481 .515 20 5025 4998 27-25 .522
17 Charlotte .504 25 25 .500 .505 14 4756 4710 27-23 .540
18 Chicago .501 25 25 .500 .502 16 4770 4886 20-30 .402
19 New Orleans .498 27 25 .519 .491 18 5208 5277 23-29 .446
20 Milwaukee .484 23 27 .460 .492 19 4903 4909 25-25 .495
21 LA Clippers .480 21 30 .412 .503 22 4866 5060 18-33 .344
22 Sacramento .463 17 34 .333 .506 28 5199 5402 18-33 .347
23 Detroit .462 18 32 .360 .496 27 4581 4827 15-35 .297
24 Philadelphia .460 20 31 .392 .482 21 4998 5087 22-29 .428
25 New York .456 19 32 .373 .484 23 5170 5286 21-30 .409
26 Washington .453 17 33 .340 .491 25 4873 5085 17-33 .331
27 Indiana .449 18 34 .346 .483 26 5154 5411 16-36 .309
28 Golden State .440 13 37 .260 .500 29 5352 5581 17-33 .334
29 Minnesota .435 13 39 .250 .497 24 5105 5555 10-42 .199
30 New Jersey .390 4 47 .078 .494 30 4594 5180 6-45 .121
Glossary
  • RK: Rank
  • RPI: Relative Percent Index
  • W: Wins
  • L: Losses
  • PCT: Win Percentage
  • PA: Points Against
  • EWL: Expected Win-Loss
  • EWP: Expected Winning Percentage
  • Relative Percent Index: The basic formula is 25% team winning percentage, 50% opponents' average winning percentage, and 25% opponents' opponents' average winning percentage.
  • Expected Winning Percentage and Win-Loss: Derived the Pythagorean 16.5 Method, the basketball adaptation of Bill James' Pythagorean theorem of baseball: Runs scored ^16.5 / (Runs scored ^16.5 + runs allowed ^16.5). This formula was designed to relate a team's points scored and points allowed to its won-lost record.