What is ERA in baseball?

ERA (Earned Run Average) = (Earned Runs × 9) / Innings Pitched. Measures runs scored that are the pitcher's fault (not due to errors). Lower ERA = better. MLB average ERA: ~4.00. Excellent: below 3.00. Good: 3.00-4.00. Average: 4.00-5.00. Poor: above 5.00. Cy Young winners typically have ERA under 2.50.

What is the difference between ERA and WHIP?

ERA measures runs allowed per 9 innings. WHIP (Walks + Hits per Inning Pitched) measures baserunners allowed: (Walks+Hits)/IP. WHIP 1.00 is excellent, 1.30 is average. ERA and WHIP both measure pitching quality but WHIP is less affected by fielding quality. FIP (Fielding Independent Pitching) further isolates pitcher performance.

What is ERA in baseball?

ERA (Earned Run Average) = (Earned Runs × 9) / Innings Pitched. Measures runs scored that are the pitcher's fault (not due to errors). Lower ERA = better. MLB average ERA: ~4.00. Excellent: below 3.00. Good: 3.00-4.00. Average: 4.00-5.00. Poor: above 5.00. Cy Young winners typically have ERA under 2.50.

What is the difference between ERA and WHIP?

ERA measures runs allowed per 9 innings. WHIP (Walks + Hits per Inning Pitched) measures baserunners allowed: (Walks+Hits)/IP. WHIP 1.00 is excellent, 1.30 is average. ERA and WHIP both measure pitching quality but WHIP is less affected by fielding quality. FIP (Fielding Independent Pitching) further isolates pitcher performance.

ERA Calculator — Earned Run Average

Free baseball ERA calculator. Enter earned runs and innings pitched to calculate ERA, WHIP estimation, and pitching performance ratings. Includes ERA scale reference.

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