What Is OPS In A Baseball Match?

what is OPS

What is OPS in a baseball game? What is the most effective way to calculate On-base plus slugging (OPS)? If you’re new to baseball, these are a few of the many questions you need to ask to gain better knowledge of this game. One interesting thing you need to know about this beautiful game is that a part of it requires calculation, using different formulas from statistics. A good aspect of baseball that needs calculation is on-base plus slugging, which is otherwise known as OPS.

So, what is OPS, and how exactly does its calculation work? Read on to discover everything you need to know about this question.

What is OPS?

On-base plus slugging or OPS is a commonly used statistic in baseball. Its primary function is to help calculate and measure the offensive performance of a player. OPS has two major components; the on-base percentage (OBP) and the slugging percentage (SLG).

The first component – on-base percentage – is an important statistic in baseball that helps to determine a player’s ability to arrive safely on base. The second component, which is slugging percentage, helps to measure and identify a team player’s ability to get hits.

What is the OPS formula?

Now that you know the two components of On-base plus slugging, let’s move to the next question; what is the OPS formula?

For you to calculate an on-base plus slugging value of a specific player, you need to first understand how to calculate the two components mentioned above.

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  1. On-base percentage (OBP)

As you already know, OBP only focuses on how to identify a player’s ability to get to base safely in baseball. It doesn’t matter how the player gets there. What this statistic focuses on is the safe arrival of the hitter on base.

But what is the best way to calculate OBP?

It’s pretty simple; for this calculation, you need two different factors:

  • The first factor is the “box score stats”, such as walks and hits
  • The second factor is the “total number of plate appearances.” This involves adding walks with at-bats, sacrifice flies, and hit by a pitch (hbp).

With these two factors, you’ll be able to get an accurate value of on-base percentage, which lets you know a player’s ability to get to base safely on base.

  1. Slugging percentage (SLG)

Unlike OBP, SLG or slugging percentage is only effective for measuring a player’s quality of hits. The calculation for SLG is pretty direct; all you need in this case is to determine the following factors:

  • First, you need to determine the total bases achieved by a player on hits – TB.
  •  Second, you need to determine the official at-bats – AB.

After that, you can always find the slugging percentage (SLG) by dividing TB by AB.


Alternatively, you can calculate SLG by understanding a single base (1B), double or base 2 (2B), triple or base (3B), and home run (HR).

After that you can go ahead and use the formula below:

SLG = (1B + (2 x 2B) + (3 x 3B) + (4 x HR)) ÷ AB

  1. What is the OPS formula?

Now, let’s talk about on-base plus slugging. So, what is the OPS formula? As the name suggests, this stat only focuses on the addition of on-base percentage (OBP) and slugging percentage (SLG).


Wrapping up

Now, you know that on-base plus slugging (OPS) in baseball has two components; OBP and SLG. For you to determine the OPS of a player, you need to first measure the player’s OBP and SLG. For more understanding of how OPS works, visit the official Lost in Boston Sports website.

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