on-base percentage

noun

on-base per·​cent·​age ˈȯn-ˈbās-pər-ˈsen-tij How to pronounce on-base percentage (audio)
baseball
: a statistic that is expressed as a 3-digit decimal and that indicates the frequency with which a batter reaches base by a hit, a walk, or being hit by a pitch

Note: A batter with an on-base percentage of .350 has reached base 3.5 times for every 10 at bats.

Through Sunday he led the league in on-base percentage (.479) and hits (40) and was second in runs scored (21) and ninth in slugging percentage (.515).Ivan Maisel
… he understood that on-base percentage was a far better tool to evaluate a hitter than batting average …Tom Verducci

Examples of on-base percentage in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Milwaukee ranks fourth in bases on balls and third in on-base percentage. ABC News, 17 May 2026 The clubhouse televisions on Monday and Tuesday broadcast how the Giants rank last in on-base percentage; the team proceeded to draw no walks in the final two games of the Padres series. Justice Delos Santos, Mercury News, 7 May 2026 Xavier Edwards pushed the lead to 3-0 with a solo homer in the fifth, the second home run of the season for the National League leader in on-base percentage. Barry Jackson, Miami Herald, 2 May 2026 The Rangers’ seven home runs and their OPS (on-base percentage plus slugging percentage) at home rank second-to-last in baseball. Mac Engel april 30, Fort Worth Star-Telegram, 30 Apr. 2026 See All Example Sentences for on-base percentage

Word History

First Known Use

1941, in the meaning defined above

Time Traveler
The first known use of on-base percentage was in 1941

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Cite this Entry

“On-base percentage.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/on-base%20percentage. Accessed 22 May. 2026.

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