ERA Calculator

Calculate Earned Run Average for pitchers

Enter Pitching Stats

Use decimal for partial innings (e.g., 75.2 for 75 and 2/3 innings)

ERA Results

Earned Run Average (ERA)
3.00
Rating: Above Average
Runs per 9 Innings
3.00

ERA Ratings

Excellent: <2.00
Very Good: 2.00-3.00
Above Average: 3.00-4.00
Average: 4.00-4.50
Below Average: 4.50-5.00
Poor: >5.00
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Editorial Note

MyCalcBuddy Editorial Team

This page is maintained as an educational calculator reference.

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Formula Source: Standard Mathematical References

by Various

🔄Last reviewed: May 2026
✓Formula checks are based on standard references and internal QA review.