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Passer Rating Calculator

This uses the official NFL passer rating formula. Enter a quarterback's completions, attempts, passing yards, touchdowns and interceptions to get a rating between 0 and 158.3 — the "perfect" maximum. Handy for flag football leagues that rate quarterbacks the same way.

How to use it

  1. Enter pass completions and pass attempts.
  2. Enter total passing yards.
  3. Enter passing touchdowns and interceptions.
  4. The rating updates instantly, capped between 0 and 158.3.

Frequently asked questions

What is a good passer rating?

Anything above 100 is very good, and 158.3 is the maximum possible ("perfect") rating. A rating around 90 is roughly league average in professional play.

How is passer rating calculated?

It combines four components — completion percentage, yards per attempt, touchdown percentage and interception percentage — each scaled and capped at 2.375, then averaged and multiplied by 100/6.

Why is 158.3 the maximum?

Each of the four components is capped at 2.375. With all four at the cap, ((2.375 x 4) / 6) x 100 = 158.3.