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.
His solid on-base percentage and Gold Glove-caliber defense could compensate only so much for his early lack of power, a previously missing element in what the Cubs projected to be a dynamic lineup. Patrick Mooney, New York Times, 23 Aug. 2026 The Padres do lead the major leagues in batting average, on-base percentage and slugging percentage since July 19. Kevin Acee, San Diego Union-Tribune, 22 Aug. 2026 Their slugging percentage is among the best in baseball, but their on-base percentage is 23rd. David Troy, FOXNews.com, 30 July 2026 Quietly near the top As of Tuesday, July 7, Hicks ranked among the National League’s top 20 in batting average, RBI and on-base percentage. Tyler M. Carmona, Miami Herald, 8 July 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 1 Sep. 2026.

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