About these calculators
Eight NFL calculators covering the stats fans actually argue about: the league's official passer rating formula, fantasy scoring in all three formats, rushing efficiency, win pace, Pythagorean expectation and the division magic number.
How to choose
Pick a tool matching the stat you want to check. Every calculator validates your input, shows the exact formula it uses, and explains how to read the result — no signup, nothing to install.
Frequently Asked Questions
What is a perfect passer rating?
158.3 — the maximum the NFL formula allows, achieved with at least 77.5% completions, 12.5 yards per attempt, 11.9% touchdowns and no interceptions.
Which fantasy scoring formats do you support?
Full PPR, half PPR and standard, with 1 point per 25 passing yards, 4 per passing TD, −2 per INT and 6 per touchdown.
What does the magic number mean?
Any combination of first-place wins and second-place losses adding up to it clinches the division.