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Quarterback Ratings in the National Football League

Understand the somewhat complicated NFL quarterback ratings system, how it's calculated, and its evolution since 1960. Learn the formulas and constants for each performance category. Compute an accurate QB rating step-by-step.

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Quarterback Ratings in the National Football League

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  1. Quarterback Ratings in the National Football League Somewhat Complicated The National Football League began rating QB’s in 1960. The present system, adopted in 1973, rates the QB in four performance categories and then weighs the importance of each category by applying constants to each sub-rating.

  2. Category 1 Completion Ratio Completion Ratio Formula (Completions / Passing Attempts –0.3)/0.2 =(D4/C4-0.3)/0.2 1.317460317

  3. Category 2 Yardage Ratio Yardage Ratio Formula (Yardage/Passing Attempts -3)/4 =(G4/C4-3)/4 0.896825397

  4. Category 3 Touchdown Ratio Touchdown Ratio Formula (Touchdowns/Passing Attempts)/0.05 =(E4/C4)/0.05 0.952380952

  5. Category 4 Interception Ratio Interception Ratio Formula [0.095-(Interceptions/Passing Attempts)]/0.04 =(0.095-F4/C4)/0.04 1.978174603

  6. Computing the Rating Add all the Category Scores 1.3175 0.8968 0.9524 1.9782 5.1449 Take sum and multiply by 100 and divide by 6 5.1449 *100/6 = 85.748

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