Strikeout Rate (K%)

Strikeout rate (K%) measures the percent of hitters a pitcher strikes out, and for hitters measures how often they strikeout. K/9 is a similar statistic that can also be used to measure a pitcher’s strikeout rate.

Formula for hitters: K/PA
Formula for pitchers: K/TBF

K% Calculator for Hitters

K% Calculator for Pitchers