On base %

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What are all the factors figured into a batters on base percentage?
1. Number of times at the plate
2. Hits
3.Walks
4. Hit by pitch.

These are the ones that I know. Just wondering if getting on base on dropped third strike is included. How about getting on base on an error. Is getting on base on a fielder's choice included.

How is a sacrifice figured into it.

 

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Good question. My stat spreadsheet's on base % formula does not count FC or reaching by error as on base. I don't know even think I can include reaching base by dropped 3rd strike because I read that it is not scored as an error. Is it like a FC? I know the pitcher still gets the K...

 

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On-base percentage is calculated using this formula:

where

• H = Hits
• BB = Bases on Balls (Walks)
• HBP = times Hit By a Pitch
• AB = At bats
• SF = Sacrifice Flies

Notice there is a difference between Plate Appearances and At Bats.

 

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As long as they reach 1st base safely, it doesn't matter how they get on. (hit, error, BB, HP, FC, dropped 3rd strike) Sacrifices get subtracted from at bats. The number of times they get on divided by the at bats (sacrifices removed) equals on base %.

 

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Reached on an error is not counted, must agree with sammy!

 

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Errors are not included. If errors are included in it is referred to as OBAE. (On Base Average +Errors)

 

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Here is what ive thought it always was.

OBP= Total at bats
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Hits + Walks+ Hit by Pitch


Was just what other factors might be figured in as well

I feel dumb because the formula in Sammy's post has BB and HBP as both factors. I am in no way saying that is incorrect. It just gets me more confused.

 

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As long as they reach 1st base safely, it doesn't matter how they get on. (hit, error, BB, HP, FC, dropped 3rd strike) Sacrifices get subtracted from at bats. The number of times they get on divided by the at bats (sacrifices removed) equals on base %.

That's not even close to being correct. FC and errors do not count towards your OB% Sammy has the correct formula.

 

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Another voice that Sammy has it correct. No doubt about it.

 

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Kind of a hijack

What is more important batting average or on base percentage ???

I have my opinion just wanted to see what people thought.

 

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base percentage

 

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OBP is much more important than batting average......much more important.

Sammy's formula is correct.

Len

 

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OBP over BA

ON BASE % shows a better picture of productivity. A player who can continuely getting on base can produce more for the team than someone with a good B.A...... The ideal player will have both!

 

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Kind of a hijack

What is more important batting average or on base percentage ???

I have my opinion just wanted to see what people thought.

I would like to think that would depend on your roll on your team. If you are the player that say isnt the quickest, but is there to drive the ball, and carry a high slugging number walks and hbp dont help. One or two that have a high on base can be a waste if you dont have players that hit for average, and bring them home.

 

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Not disputing the formula as factual. However as a coach I do consider RoE when considering OBP for my players. To me this is indicative of a player who puts the ball in play, hits it hard enough to cause errors, and / or hustles. Definitely value in that and I use it to determine lead off hitter when making our line-ups.


I don't consider FC however as an out resulted.

 

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I coach 11 year olds so we use OBPE until they hit 14U. Once they hit 14U, we use OBP.

 

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Depending on what your League/level is, here are some references. NFHS includes all sacrifices in the equation and ATEC only includes Sac Flys.​

Rule 9-4 2010 NFHS Softball Rules Page 71
d. on-base percentage, which is the number of hits, walks and hit by pitch, divided by the number of plate appearances (official at-bats, sacrifices, walks and hit by pitch).​

From ATEC
4. On base percentage (OB%) = (base on balls + hit by pitch + hits) / (sac. flies +
base on balls + hit by pitch + official at bats) or (times on base earned by appearance at plate) / plate apperances (NSCA formula)​

So, let's put these formulas to work.​

Batter "A" has the following stats:​

Plate Apperarances:70
Hits: 25
Walks: 10
Sac Flys: 4
Sac Bunts: 5
HBP: 1
Catcher's Interference: 1​

So Official At-Bats = PA-Walks-Sac Flys-SAC Bunts-HBP-CI= 49​

NFHS OB%: (10+1+25)/70 = .514
ATEC & NCAA OB%: (10+1+25)/(4+10+1+49) = .562
NSCA OB%: (25+10+1)/70 = .514​

So, It all depends upon which League you are playing in.​

​

 

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I always wondered what the official way to calculate it was especially with regard to FC (okay just didn't take the time to look it up). I am of the mindset like Hornet & Klump. Although not the official way to calculate it, I coach younger ones and include on base by errors for the reasons mentioned.

 

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OB%. Talk to college coaches and you will know why they have it on the profile sheet. It also can send a red flag to coaches about the high school stats. You look at kids stats in high school with a 500 plus BA and very little change in OB%. As a coach it can send a message.

 

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To keep it VERY simple:

OBP and BA are BOTH equally important in their own right. In an ideal world, every inning you would want your high OBP kids up first, followed by your high BA kids. lol!

The most frustrating games I have ever watched were games where the opponent was obviously the stronger team - and our pitcher was doing her best to hold a great hitting team at bay. But our offense just couldn't string enough hits and base runners together to produce a single run! Another team stat that is very telling is LOB. Stranded!!