# What is slg in Baseball ? Can someone explain the slugging percentage?

What is slg in baseball ? What is a slugging percentage in baseball? We often hear this question when talking about a player’s performance. In baseball, it’s no question that there’s always a method of analyzing a player’s skill. For a batter, the slugging percentage or the total number of bases they record per at-bat provides insights into his ability.

If you’re eager to define the slugging percentage and understand its significance in baseball, read along to learn more about this essential baseball statistic!

Table of Contents

## What Does Slugging Mean? Slugging Percentage in Baseball

Whether you’re a new baseball fan or a veteran, learning a new baseball jargon can be overwhelming at first. Read on

### 1. Definition of slugging percentage

We determine the slugging percentage by dividing the number of bases a player records by their number of at-bats. Here’s a simpler definition to help you relate it to baseball:

This statistic describes how well a player hits for power and measures their ability to get extra-base hits like doubles, triples, and home runs.
But why does it matter in baseball?

Well, the slugging definition in baseball is strongly linked to a batter’s value to a team by increasing their chances of advancing to the next round and their financial worth.

The slugging percentage is categorized as good, outstanding, or elite. Because baseball is not just about winning but also about developing sustainable team strategies, the slugging percentage is useful in revealing these tactics.

### 2. History of slugging percentage

The slugging percentage used in baseball in the 1860s was different from what we use today. Before, statisticians would use the number of games as the denominator instead of at-bats.

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But Henry Chadwick believed that a player’s true skill couldn’t be accurately measured by their hitting statistics alone. He wanted to give credit only for the bases earned without any mistakes.

### 1867: Introduction

So in 1867, Chadwick came up with a new way to measure a baseball player’s effectiveness. The modern slugging percentage was invented, measuring the number of bases a player gets per at-bat, not per game.

### 1923: Official statistic

This became an official statistic for the National League in 1923. It was in 1946 when the American League adopted the same.

However, the masses were not immediately interested to know what is the slugging percentage in baseball.

### 1952: Appearing on the baseball card

It wasn’t until 1952 that it was first featured on the back of a baseball card. And it was only in 1981 that slugging percentage became a regular feature on these cards.

But the fact that you’re reading this blog about the slugging baseball stat today proves that Chadwick’s early efforts to measure a player’s true effectiveness have paid off in a big way!

### 3. How to calculate for slugging percentage

There are many slugging percentage calculators online that you can try. However, if you don’t want to rely on technology or simply want to understand how it’s calculated, we’ll teach you how to manually calculate the slugging percentage.

The slugging percentage formula is simple:

(1(B) + 2(Bx2) + 3(Bx3) + H(Rx4))/AB.

To get the baseball SLG’s total base, you need to count the number of bases they earned from their hits. You add one extra base for each double, two for each triple, and three for each home run.

After that, simply divide it by the at-bat value.

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### 4. What is a good slugging percentage?

Now that you know the average slugging formula let’s put it into context by discussing what a good slugging percentage is.

There’s no definite benchmark when talking about good slugging percentage. This is because there are different types of hitters, and what’s good for one may be excellent for another.

• A good figure for slugging percentage: 0.450
• An average of 0.550 would be considered outstanding
• Anything 0.650 and above is considered elite.
• A 0.350 slugging percentage is fairly poor.
• Career Leaders in Slugging Percentage

## Slugging Percentage Vs. Batting Average: What’s the Difference?

Regarding the slugging percentage in baseball, we focus on understanding how these metrics are calculated and what they reveal about a player’s performance, focusing on the hits he makes.

On the other hand, the batting average also represents the number of hits a player gets in relation to their total at-bats, but walks and hit-by-pitches are included in the equation.

What is OBP in baseball?

On-Base Percentage (OBP) measures how often a batter gets on base per plate appearance.

This includes any time the batter gets a hit, walks, or is hit by a pitch. However, it does not include when a batter reaches base due to errors, the fielder’s choice, or dropped third strikes.

## How effective is combining OBP and SLG?

In baseball, OPS percentage (On-Base Plus Slugging) is the combination of On-Base Percentage (OBP) and Slugging Percentage (SLG).

It’s effective as it is easier for statisticians and analysts to measure a player’s overall offensive performance. Adding these two metrics together gives OPS a more comprehensive view of a player’s skill based on his performance.

## What is Slugging Percentage in Baseball?

Slugging Percentage is the number of bases a player safely reaches per at-bat. The recorded value only factors in hits, while excluding walks and hit-by-pitches in the calculation. The main difference between slugging percentage and batting average is that hits are not treated equally.

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For example, when a player hits a home run, they’ve covered four bases in a single at-bat.

A single would only result in one base attained at-bat.

The player would increase their batting average percentage equally, regardless of the type of hit, even though they vary in strength.

Note that the home run guarantees an additional point on the scoreboard, while a single does not.

The only way a single drives in a run is if there are other runners already on base, or if the fielding team commits a string of errors on the play.

Meanwhile, the slugging percentage will take into considering each base the player successfully crosses during their at-bat.

Typically, your hardest hitters dominate the Slugging Percentage leaderboard.

## What is a good Slugging Percentage in Baseball?

Since 1876, the average slugging percentage has fluctuated between the 0.300 and 0.440 range.

As of the last decade, the average SLG has hovered around the 0.400 range while peaking to 0.435 in 2019.

Anything above 0.400 SLG is my starting point for good slugging percentage.

So, I decided to dig a little deeper to see how the league balances out.

The clearest sign that a player will finish the season with a strong slugging percentage is if they are hitting above 0.300 in batting average with a high home run count.

As an example, take Barry Bonds’ numbers from 2001.

He managed a record-breaking 73 home runs, along with a 0.328 AVG while appearing 476 times at-bat.

While his home run record attracted the most buzz, he also set the record for best slugging percentage with 0.863.

Again, that means he safely stepped on any base 86.3% of his chances at-bat.

## Conclusion

From now on, you don’t have to ask, “What is a slugging percentage in baseball?” With our easy-to-understand definition, plus the SLG baseball formula, it’s easy for you to master this metric!

We hope that by mentioning the players with the highest SLG, you become more interested in baseball’s history and how to find out about its fascinating statistics. If you want to learn more about baseball jargon and statistics, we have more articles you can read.

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