Introduction

Quarterback (QB) rating, also known as passer rating, is an important statistic used to evaluate the performance of quarterbacks in the National Football League (NFL). It’s a complex formula that takes into account multiple facets of a quarterback’s passing game. If you’ve ever wondered how this rating system works, this article will provide an in-depth look at the various components and calculations used in determining this crucial statistic.

The Formula

The NFL passer rating formula is based on four key elements of a quarterback’s performance – completion percentage, passing yards per attempt, touchdown pass percentage, and interception percentage. Each component is weighted differently to reach an overall rating for the quarterback. Here’s how the formula works:

1. Completion Percentage

Completion percentage (COMP%) is calculated by dividing the number of completed passes (COMP) by the total number of pass attempts (ATT).

COMP% = COMP / ATT

2. Passing Yards per Attempt

Yards per pass attempt (YPA) is calculated by dividing the total passing yards (YDS) by the number of pass attempts (ATT).

YPA = YDS / ATT

3. Touchdown Pass Percentage

Touchdown pass percentage (TD%) is calculated by dividing the number of touchdown passes (TD) by the total number of pass attempts (ATT).

TD% = TD / ATT

4. Interception Percentage

Interception percentage (INT%) is calculated by dividing the total interceptions thrown(INT) by the total number of pass attempts(ATT).

INT% = INT/ATT

After calculating these four components, each one gets adjusted based on a specific scale and capped between 0 and 2.375 using this formular:

Adjusted Value = ((Raw Value – Minimum Value) x maximum points)/(Maximum Value – Minimum Value)

Here are the minimum and maximum values for each component:

– Completion Percentage: Minimum = 30%, Maximum = 77.5%

– Yards per Attempt: Minimum = 3, Maximum = 12.5

– Touchdown Percentage: Minimum = 0, Maximum = 6.875

– Interception Percentage: Minimum = 0, Maximum = 9.5

With the adjusted values for each component, they are added together then multiplied by 100 and divided by six to find the overall rating:

QB Rating = ((Adjusted COMP% + Adjusted YPA + Adjusted TD% + Adjusted INT%) x 100) / 6

The Final Score

The final QB rating ranges from 0 to a perfect score of 158.3, with higher scores indicating better quarterback performance. A player must have a minimum of 14 pass attempts per game in order to be ranked in the NFL quarterback ratings.

Conclusion

Calculating QB rating is a complex process that takes into account various aspects of a quarterback’s performance to provide an overall evaluation of their passing abilities. While it may not capture every single detail, the rating serves as an invaluable tool for coaches, analysts, and fans to understand and appreciate the efficiency and effectiveness of a quarterback’s passing game in the NFL.