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Passer Rating Calculator

Calculate NFL passer rating (0–158.3), NCAA QBR, and compare single-game and season stats. See component breakdowns, letter grades, comparisons to all-time great QBs, and what-if scenarios.

NFL Passer Rating

Official NFL formula — scale 0 to 158.3 (perfect)

Famous QB Performances

Load legendary game lines or all-time season records

Passer Rating Result

NFL Formula

Component Breakdown

Each of the 4 NFL formula components (a, b, c, d) — each clamped 0–2.375

Rating Scale

All-Time QB Comparison

How your rating stacks up against legendary career ratings

What-If Scenarios

How would your rating change with one more/less TD or INT?

Rating Summary

Enter QB stats and click
Calculate

NFL Rating Grades

158.3Perfect ✦
130+Elite — S Tier
110–129Excellent — A+
100–109Very Good — A
90–99Good — B+
80–89Above Avg — B
70–79Average — C+
60–69Below Avg — C
50–59Poor — D
< 50Very Poor — F

All-Time Career Ratings

NFL Formula

a = Comp%
(Cmp/Att − 0.3) × 5
b = Yards/Att
(Yds/Att − 3) × 0.25
c = TD%
(TD/Att) × 20
d = INT%
2.375 − (INT/Att × 25)
Final Rating
((a+b+c+d)/6) × 100
Each clamped 0 – 2.375