How NFL Passer Rating Works Explainer
NFL passer rating compresses four passing results into one number: completion percentage, yards per attempt, touchdown percentage, and interception percentage. Despite its common nickname, it rates passing production rather than every part of quarterback play.
Each category is converted into a component on a scale from zero to 2.375. The four components are added, divided by six, and multiplied by 100. That construction produces a maximum game or season rating of 158.3 and allows a rating to exceed 100 without being an error.
Efficiency drives the formula. A passer benefits from completing a high share of attempts, gaining more yards per throw, producing touchdowns frequently, and avoiding interceptions. Volume statistics such as total yards matter only through their relationship to attempts, and sacks are not part of the traditional calculation.
The metric is useful for comparing passing lines under one familiar standard, but it has limits. It does not directly capture rushing, fumbles, down-and-distance difficulty, defensive quality, or decision-making beyond the recorded outcome. Treat passer rating as a summary of throws, not a complete grade of the quarterback.
Completion percentage, yards per attempt, touchdown percentage, and interception percentage.
It is not a percentage. The formula’s scale tops out at 158.3.
No. The traditional NFL formula is based only on passing attempts and their outcomes.
Explore more "Explainers"
Discover additional explainers across politics, science, business, technology, and other fields. Each explainer breaks down a complex idea into clear, everyday language—helping you better understand how major concepts, systems, and debates shape the world around us.