Hits per 9 Innings (H/9) Calculator (Baseball)

LAST UPDATE: March 8th, 2020

H/9 Calculator

What is Hits per 9 Innings?

H/9 is a baseball pitching metric that shows how many hits a pitcher has given up every nine innings.
It is an attempt to average a pitcher’s number of hits over the length of one game – while pitchers can change in the game, this metric attempts to give a “per game” statistic.

How to calculate H/9

In Baseball, on H/9 is calculated as:
H/9 = (Hits x 9) / (Innings Pitched + (Outs (Partial Innings) Pitched / 3))


If a batter has allowed 190 hits over 202 innings and 1 out, then:
H/9 = (190 x 9) / (202 + (1 / 3))
H/9 = 1710 / 202.333333
H/9 = 8.451
This pitcher’s H/9 is 8.451, or they average 8.451 hits against for every nine innings played.

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