How to use this calculator
Enter your quarterback's five core passing stats: completions, pass attempts, passing yards, touchdowns, and interceptions. The calculator instantly computes both the NFL passer rating and the NCAA rating so you can see the difference between the two systems.
The component breakdown shows how each factor (completion %, yards per attempt, TD rate, and INT rate) contributes to the overall NFL rating on a scale of 0 to 2.375 each. This helps identify which aspects of a quarterback's game are strongest or weakest.
Additional efficiency metrics like completion percentage, yards per attempt, TD to INT ratio, and per attempt rates are displayed automatically, giving you a complete passing efficiency profile from just five input stats.
Understanding the passer rating formula
The NFL passer rating was introduced in 1973 to provide a single number that captures passing efficiency. It combines four separate components that each measure a different dimension of quarterback play: accuracy, explosiveness, scoring ability, and ball security.
Each component is calculated from a per attempt rate, then scaled and capped between 0 and 2.375. The four values are summed, divided by 6, and multiplied by 100 to produce the final rating. The caps ensure no single outstanding stat can inflate the rating beyond reason.
The NCAA uses a completely different formula that is simpler and uncapped. It multiplies yards by 8.4, touchdowns by 330, and completions by 100, then subtracts interceptions times 200, and divides everything by attempts. This produces much higher numbers and has no theoretical maximum.
Frequently asked questions
What NFL passer rating qualifies for the passing title?
To qualify for the NFL passing title and official statistical rankings, a quarterback must average at least 14 pass attempts per game (224 attempts over a 16 game season, 238 over 17 games). Below that threshold, their rating is not included in official NFL season leaders.
What is the average NFL passer rating?
The league average NFL passer rating has risen over time due to rule changes that favor passing offenses. In recent seasons (2020 onward), the average has been around 90 to 93. In the 2000s it was roughly 80 to 85, and in the 1990s it was typically 75 to 80.
Can a quarterback have a 0 passer rating?
Yes. A 0 passer rating occurs when all four components bottom out at zero. In practice, this would require a completion rate at or below 30%, under 3 yards per attempt, zero touchdowns, and an extremely high interception rate. It has happened in a few individual games in NFL history.
Why do some people criticize passer rating?
Critics note that passer rating ignores sacks, rushing, fumbles, and game context (like garbage time stats). It also weights all four components equally even though research suggests yards per attempt and interception rate are more predictive of winning. Newer stats like EPA per play address these gaps.
What is the highest career passer rating in NFL history?
As of recent seasons, the highest career passer rating among qualified quarterbacks is held by modern era passers who benefit from pass friendly rules. Career ratings above 100 were essentially impossible before the 2000s but have become achievable for elite modern quarterbacks.