Last updated: 4 October 2026
Reviewed by Jordan Morley, FA Level 2 Football Coach
ERA calculation
ERA
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Frequently asked questions
What is a good ERA?
Below 3.00 is excellent in most eras; 3.00-3.50 is very good; 3.50-4.20 is average. ERA is heavily context-dependent — a 4.00 ERA in a strong pitcher's park during a low-scoring era means more than in a hitter-friendly ballpark.
What is ERA+ and how is it different from regular ERA?
ERA+ adjusts a pitcher's raw ERA for their home ballpark and league scoring environment, then scales it so 100 is league average — a pitcher with an ERA+ of 150 is roughly 50% better than league average, making it easier to compare pitchers across different eras and parks than raw ERA alone.