Football Passing Efficiency Calculator
College Football's Answer to Passer Rating
The NFL and NCAA both publish quarterback rating formulas, but they aren't the same formula — and mixing them up produces numbers that look plausible but are simply wrong. The NCAA's passer efficiency rating weights completions, yardage, touchdowns, and interceptions on its own linear scale, with no artificial cap the way the NFL's formula has. This calculator uses the NCAA version specifically.
The Formula
The NCAA passer efficiency rating is a single linear formula, unlike the NFL's four-part clamped calculation:
Each statistical category is weighted by a fixed coefficient and the total is divided by pass attempts, producing a single rating with no theoretical ceiling — unlike the NFL formula, whose individual components are clamped between 0 and 2.375 before being combined.
Where This Calculation Matters
- NCAA statistical rankings — college football conferences and the NCAA itself use this exact formula for official passing efficiency leaderboards.
- Recruiting and scouting — comparing high school or college quarterbacks by passer efficiency gives scouts a single-number shorthand alongside film study.
- Weekly performance tracking — recalculating efficiency after each game shows whether a quarterback's per-game performance is trending up or down within a season.
- Avoiding cross-format errors — because the NFL and NCAA formulas produce different numbers for identical stats, using the correct one matters when comparing or reporting a rating.
Sample Ratings
Applying the formula to a few representative statlines shows how the rating responds to efficiency, not just raw volume:
| Statline | Completions / Attempts | Rating |
|---|---|---|
| 320 yds, 4 TD, 0 INT | 24 / 33 | 194.18 |
| 220 yds, 2 TD, 1 INT | 18 / 30 | 136.93 |
| 120 yds, 0 TD, 2 INT | 12 / 30 | 60.27 |
How to Use This Calculator
- Enter Completions and Attempts.
- Enter total Passing Yards.
- Enter Touchdowns and Interceptions.
- Select Calculate to see the NCAA passer efficiency rating and the full arithmetic.
Related Calculations
For the NFL's own passer rating formula instead, see the Football Passer Rating Calculator. For fantasy-scoring implications of a passing statline, check the Fantasy Football Score Calculator.