ERA Calculator (Earned Run Average) 16 July, 2024 | Baseball Calculators Earned Runs (ER): ⓘ Number of earned runs allowed ⚠️Please enter a valid value. Innings Pitched (IP): ⓘ Number of innings pitched ⚠️Please enter a valid value. Outs Pitched: ⓘ Number of outs recorded ⚠️Please enter a valid value. Calculate ERA Reset ERA: