***Have I fallen behind on refreshing the rankings? Don’t hesitate to email me at grant dot salzano at gmail if you’d like the rankings updated!***
NCAA Percentage Index (NPI) Rankings: “National Collegiate”
Women’s Hockey
Welcome to the 2025-2026 NCAA Women’s Hockey NPI Calculator! Using this tool, you can play around with the results of this year’s women’s college hockey season and see its effect on the NPI (NCAA Percentage Index).
Big news this year as the NCAA has decided to get rid of the Pairwise Rankings in favor of switching to solely to NPI. The women were already using NPI as part of the Pairwise calculations last season, but the common opponent and head-to-head factors are no more.
New this season:
- Welcome Delaware Women’s Hockey to D1! We’ve added the Blue Hens to the calculator as the 45th team in the NCAA Women’s “National Collegiate” division.
- The only functional change this season to the women’s NPI has to do with removing “bad wins.” Previously, any win that lowered a team’s NPI would be removed from the calculation as a bad win. In practice this would mean that a really, really good team would only have a few games included in their calculation — and in fact, a team with a perfect record would only have one game (their best win) factoring into their NPI. Now, however, the NCAA implemented a change that says at least 12 wins must be included in the calculation, even if they lower your NPI. Any bad wins after those 12 can then be removed.
Should you wish to do some “what if” exercises and see what the rankings would be with a different game result, here are some simple instructions:
- To edit game results, go into the “Results” tab. You’ll see a line for every game of the season. You can edit the score for any past game(s), or enter a score for any future game(s). You do not need to add in the little extras like records or poll rankings that show for other rows — as long as the team names are typed in correctly, the results will pull in.
- Once you’ve changed your results in “Results,” pull up the “NPI” tab to see the resulting rankings.
And that’s it!
A few important notes and tips:
- It’s always possible that our calculator has an error somewhere. We’ll do our best to look for and fix any potential bugs as the year goes on. If you spot any, please reach out!
- Overtime wins count as a partial victory in the NPI calculation at 67% of a win. Ties, as always, count as 50% of a win, as do shootout wins in games where they occur.
- Score margin in games does not affect the rankings — only win/lose/tie. Whether a winner is decided in regulation or overtime, however, does matter.
- To remove results, you need to double click on the cells with scores in them and delete everything in the cell for both team’s scores. The sheet reads non-blanks as a score: for example, two blanks is “no game,” but two [space]’s will be read as a 0-0 tie. If it makes it easier, you can change the game type to “EX” and it’ll be treated as an exhibition game and removed.
- To add a game, just add a line in the “Results” tab like the rest of the lines. Just make sure you spell each team name exactly the same as the rest.
- Actual game results do not update automatically. I will be periodically updating throughout the week, hopefully with only a day or two, or less, of delay. The spreadsheet will then update with the new results if you refresh the page. You can see which dates’ games have been included at the top of the calculator. If you are impatient, you can always type in the missing results manually in the “Results” tab.
- Once you change results in the “Results” tab and switch over to the “NPI” tab, give it a second. The results will update, but maybe not instantaneously. It’s a pretty big spreadsheet.
If you have any questions, comments, or bugs to report, I can be reached at grant dot salzano at gmail dot com.
Enjoy!