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Baseball Pitching Stats Calculator

Enter a pitching line to get ERA, WHIP, the per-nine rates and a strikeout-to-walk ratio.

.1 is one out, .2 is two outs
runs the pitcher is charged
base hits
bases on balls
batters struck out
for the HR/9 rate
Enter a pitching line to see the rates.

ERA = 9 × earned runs ÷ innings pitched. WHIP = (hits + walks) ÷ innings pitched. K/9, BB/9 and HR/9 scale the same counts to nine innings, and K/BB is strikeouts divided by walks. Innings use baseball notation: 6.2 means 6⅔ innings, because .1 is one out and .2 is two. Everything is calculated in this page.