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# Slugging Percentage (SLG) Calculator (Baseball)

## What is Slugging Percentage?

SLG is a baseball statistic used to put a batter’s number of bases they have earned through batting in comparison to the number of times they have been at the plate.

It is intended to be another tool for measuring a batter’s ability to earn bases along with batting average and on-base percentage as it includes the total number of bases earned as opposed to just the amount of time they reach first base.

## How to calculate SLG

In Baseball, on slugging percentage is calculated as follows:

Slugging Percentage (SLG) = (1 base hits + (2 x 2 base hits) + (3 x 3 base hits) + (4 x home runs)) / at bats.

## Example

If a batter has been at bat 127 times and in that time has made: 20 1 base hits, 5 2 base hits, 1 3 base hit, and 4 home runs, then:

20 1 base hits are = 20.

5 2 base hits are 5 x 2 = 10.

1 3 base hit is 1 x 3 = 3.

4 home runs is 4 x 4 = 16.

Total bases earned is 20 + 10 + 3 + 16 = 49.

49 divided by 127 at bats is 0.386

Therefore, the batter’s on slugging percentage is 0386.

## What qualifies as a “hit”?

A hit records when the batter safely reaches first base after hitting the ball into fair territory without the benefit of an error or a fielder’s choice.

If the batter (or runner) attempts another base and is caught out, they are still credited with the hit as long as they have reached 1st base.

2 base hits, 3 base hits, and home runs are all the same qualifications as a “hit”, however, they are when the batter arrives at that base in the same play.

## What counts as an “At Bat”?

An “at bat” is counted each time the player is at bat. At bats are not counted in specific circumstances, including:

• The batter hit by a pitch
• A sacrifice fly or sacrifice hit
• Base on balls
• The inning ends while still at bat
• The batter is replaced by another hitter before the turn is complete