N
Glam Monitor

What counts for on-base percentage?

Author

David Ramirez

Updated on June 20, 2026

On Base Percentage (aka OBP, On Base Average, OBA) is a measure of how often a batter reaches base. It is approximately equal to Times on Base/Plate appearances. The full formula is OBP = (Hits + Walks + Hit by Pitch) / (At Bats + Walks + Hit by Pitch + Sacrifice Flies).

What counts towards on-base percentage?

Definition. OBP refers to how frequently a batter reaches base per plate appearance. Times on base include hits, walks and hit-by-pitches, but do not include errors, times reached on a fielder's choice or a dropped third strike.

Does reached on error count for on-base percentage?

Reaching base on an error does not count as a hit, nor does it count as a time on base for purposes of on-base percentage. But there is still significant debate as to whether ROEs are undervalued in the statistical world, as certain players have a tendency to reach base via error more than others.

Does a home run count as getting on base?

Instead, it is scored as a single, double, or triple, and the batter-runner and any applicable preceding runners are said to have taken all additional bases on error. All runs scored on such a play, however, still count.

How do you add up base percentage?

To find the on base percentage, you add the players hits, hits by pitch, and bases on balls together; you then divide that number by the sum of the at bats, hits by pitch, bases on balls, and sacrifice flies.

33 related questions found

How do you calculate on base?

On Base Percentage (aka OBP, On Base Average, OBA) is a measure of how often a batter reaches base. It is approximately equal to Times on Base/Plate appearances. The full formula is OBP = (Hits + Walks + Hit by Pitch) / (At Bats + Walks + Hit by Pitch + Sacrifice Flies).

What number is 40% of 80?

Answer: 40% of 80 is 32.

Let's find 40% of 80. Explanation: 40% of 80 can be written as 40% × 80.

Has anyone ever hit a 600 foot home run?

No estimate has ever been given for its length, although it is safe to say it was easily over 500 feet, and may have approached 600 feet. A tremendous blast by any standards. In a single game Mantle hit two homers that were longer than most major league players hit in a career!

Has anyone ever hit 5 home runs in a game?

Five home runs in a game has been achieved four times: Pete Schneider (1923), Lou Frierson (1934), Cecil Dunn (1936) and Dick Lane (1948). In the pre-professional era, Lipman Pike also hit five home runs in 1866.

Does hit by pitch count as an at bat?

One unique play in baseball is the hit by pitch. How is HBP scored in baseball? Is hit by pitch an at bat, or just a plate appearance? A hit by pitch does not count as an official at bat, but it does count as a plate appearance.

Does sacrifice count as at bat?

A sacrifice fly does not count as an at-bat and therefore does not count against a player's batting average. The thinking behind the rule is that with a man on third base and fewer than two outs, a batter will often intentionally try to hit a fly ball, sacrificing his time at bat to help score a run.

How is baseball on-base percentage calculated?

To know the OBP of a given player, first add hits, bases on balls, and times hit by pitch together. The sum will be the batter's times-on-base. Then calculate the number of plate appearances - add together at bats, walks, times hit by pitch, and sacrifice flies.

Are walks counted in batting average?

A simple way to compute a player's batting average is to divide the player's total hits (not the number of bases) by his/her total at bats. A walk does not count as an at bat or hit, and does not affect a player's batting average.

Can your batting average be higher than on-base percentage?

This happens when a player has almost no walks or times hit by pitch, with a higher number of sacrifice flies (e.g. if a player has 2 hits in 6 at-bats plus a sacrifice fly, his batting average would be . 333, but his on-base percentage would be . 286).

What is a good batting average for 12u baseball?

An average above 600 would be considered good.

Has anyone hit 4 HR in a game?

Five-of-the-seventeen men to hit four home runs in a game are in the Hall of Fame (Lou Gehrig, Ed Delahanty, Willie Mays, Chuck Klein, and Mike Schmidt). The RBIs received during a four homer game range from four (Cameron) to twelve (Whiten). Every team needs a leader.

What is the record for most runners left on base?

The most runners left on base during a nine-inning shutout is sixteen. It has occurred twice in Major League history: May 24, 1994, when Philadelphia shut out St. Louis (4-0), and May 7, 1998, when Toronto shutout Seattle (6-0).

What baseball records will never be broken?

10 MLB Records That Will Never Be Broken

  • Cy Young's 511 MLB wins. ...
  • Rickey Henderson's steals records. ...
  • Barry Bonds' 232 walks in a single MLB season. ...
  • Ichiro's 262 hits. ...
  • Chief Wilson's 36 triples in a single season. ...
  • Hack Wilson's 191 runs batted in. ...
  • Ty Cobb's lifetime batting average. ...
  • Pete Rose's 4,256 career hits.

What is the shortest home run ever hit?

Shortest Home Run Ever Hit

Playing for a minor league team called the Minnesota Millers back in 1900, Andy Oyler hit the shortest home run in the history of the entire world. The home run traveled only 24 inches—that's right, two feet! On a rainy day in Minnesota, Oyler made solid contact and took off to first base.

Who is the real home run king?

1. Barry Bonds – 762 home runs. The controversial Bonds — who is not in the Hall of Fame — sits atop the list for most home runs in a career (762) and most in a single season (73 in 2001). The seven-time MVP is also the all-time leader in walks (2,558) and led the league in on-base percentage 10 times.

Who threw the fastest pitch?

Fastest pitch ever thrown

As a result, Aroldis Chapman is credited with throwing the fastest pitch in MLB history. On Sept. 24, 2010, Chapman made MLB history. Then a rookie relief pitcher for the Cincinnati Reds, the fireballer unleashed a fastball clocked at 105.1 mph by PITCH/fx.

What is 75 out of 300 as a percent?

Percentage Calculator: 75 is what percent of 300? = 25.

What is 17 out of 34 as a percentage?

The percentage score for 17 out of 34 is 50.00%.

What is a 70 out of 90?

Percentage Calculator: 70 is what percent of 90? = 77.78.