ERA = 2.40 ⚾
12 earned runs · 45.0 IP · Excellent
ERA = (Earned Runs × 9) ÷ Innings Pitched = (12 × 9) ÷ 45 = 2.40
Instant ERA calculation
League mode
Partial innings: 6.1 = 6⅓ IP · 6.2 = 6⅔ IP (each out = .1 or .2 in baseball notation)
Earned: 12 · Unearned: 2 · Total runs: 14
Performance rating
Excellent — 2.00–3.00 ERA
🧠 What-if ERA simulator
If you allow 2 fewer runs → ERA drops to 2.00
📋 Game-by-game breakdown
Edit IP (6.1 / 6.2) and ER per game — cumulative ERA updates automatically.
| Game | IP | ER | Cumulative ERA |
|---|
📈 ERA trend graph
Sample earned run average progression across games.
Advanced pitching tools
Fantasy pitching rating: A- — Elite ERA with strong WHIP and strikeout rate.
| Pitcher | ERA | Edge |
|---|
Projected ERA after 100 IP: 2.40 (at current rate)
K/9 of 10.4 — Higher strikeout rates often correlate with lower ERA. Adding 10 K over 45 IP could drop projected ERA slightly.
📲 Shareable stat card
How to use this tool
Enter your earned runs and innings pitched to get instant ERA. Use baseball partial notation: 6.1 means 6⅓ innings and 6.2 means 6⅔. Unearned runs are tracked separately and do not affect ERA.
Pick your league mode (Little League, High School, College, MLB) to compare against typical league averages. Review your performance rating, run the what-if simulator, and log games in the breakdown table to see cumulative ERA and the trend graph.
Advanced tabs include WHIP, K/9, fantasy rating, pitcher comparison, season projection, and strikeout insights. Copy or share your stat card with coaches, teammates, or fantasy leagues.