NFL Passer Rating Formula:
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The NFL Passer Rating is a measure of a quarterback's performance that combines completion percentage, yards per attempt, touchdowns per attempt, and interceptions per attempt into a single number. It ranges from 0 to 158.3.
The calculator uses the NFL Passer Rating formula:
Where:
Explanation: The formula combines four components that measure different aspects of quarterback performance, with each component weighted differently.
Details: Passer rating is the official metric used by the NFL to evaluate quarterback performance. It's used for player comparisons, awards, and contract negotiations.
Tips: Enter all statistics from a game or season. Attempts must be greater than 0. The rating is capped between 0 and 158.3.
Q1: What is a good passer rating?
A: 90+ is good, 100+ is excellent. The all-time NFL record is 122.5 (Aaron Rodgers, 2011).
Q2: Why is the maximum rating 158.3?
A: The formula was designed so that perfect performance in all categories would result in this value.
Q3: How does this compare to college football ratings?
A: College football uses a different formula with different weights and no upper limit.
Q4: What are the limitations of passer rating?
A: It doesn't account for sacks, fumbles, rushing yards, or game situation. Newer metrics like QBR include these factors.
Q5: Has the formula changed over time?
A: The current formula was adopted in 1973 and hasn't changed, though its interpretation has evolved as passing stats have increased.