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Quarterback Passer Rating Calculator

NFL/CFL Passer Rating Formula:

\[ \text{Rating} = \frac{(A + B + C + D)}{6} \times 100 \]

Where:

\( A = \frac{\text{Completions}}{\text{Attempts}} \times 5 \)

\( B = \frac{\text{Yards}}{\text{Attempts}} \times 0.25 \)

\( C = \frac{\text{TD Passes}}{\text{Attempts}} \times 20 \)

\( D = 2.375 - (\frac{\text{Interceptions}}{\text{Attempts}} \times 25) \)

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1. What is the Quarterback Passer Rating?

The Quarterback Passer Rating (also known as QB Rating) is a measure of a quarterback's passing performance in American and Canadian football. It was adopted by the NFL in 1973 and ranges from 0 to 158.3.

2. How Does the Calculator Work?

The calculator uses the NFL/CFL passer rating formula:

\[ \text{Rating} = \frac{(A + B + C + D)}{6} \times 100 \]

Where:

Explanation: The formula evaluates four components of passing performance: completion percentage, yards per attempt, touchdowns per attempt, and interceptions per attempt.

3. Importance of Passer Rating

Details: Passer rating is the official metric used by the NFL to evaluate quarterback performance. It provides a standardized way to compare quarterbacks across different games and seasons.

4. Using the Calculator

Tips: Enter passing statistics from a game or season. All values must be valid (attempts > 0, other values ≥ 0). The calculator automatically caps components at 2.375 as per NFL rules.

5. Frequently Asked Questions (FAQ)

Q1: What is a good passer rating?
A: In the NFL, 90+ is good, 100+ is excellent. The maximum possible is 158.3.

Q2: How does this differ from college football ratings?
A: College football uses a different formula that doesn't cap components and produces higher ratings.

Q3: Why are the components capped at 2.375?
A: The caps prevent any single component from dominating the rating and ensure balanced performance is rewarded.

Q4: What are the limitations of passer rating?
A: It doesn't account for sacks, rushing yards, fumbles, or game situations (like 4th quarter comebacks).

Q5: Who holds the highest career passer rating?
A: As of 2023, Aaron Rodgers holds the highest career passer rating in NFL history (103.6).

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