* QB Rating Formula: Step 1: Complete passes divided by pass attempts. Subtract 0.3, then divide by 0.2 Step 2: Passing yards divided by pass attempts. Subtract 3, then divide by 4. Step 3: Touchdown passes divided by pass attempts, then divide by .05. Step 4: Start with .095, and subtract interceptions divided by attempts. Divide the difference by.04. The sum of each step cannot be greater than 2.375 or less than zero. Add the sum of the Steps 1 through 4, multiply by 100 and divide by 6.