Slugging Percentage Calculator

This Slugging Percentage Calculator computes baseball SLG from singles, doubles, triples, home runs, and at bats. Slugging measures extra-base power by averaging total bases per at bat. Pair it with our On-Base Percentage Calculator for a fuller picture of batting production.

The Slugging Percentage Formula

SLG = (1B + 2×2B + 3×3B + 4×HR) / AB. Singles are calculated as total hits minus doubles, triples, and home runs. The result is expressed as a decimal (for example, .450), not a percentage.

Interpreting SLG Values

Major League Baseball slugging averages around .400 in typical seasons. Elite power hitters exceed .550, while values below .300 indicate limited extra-base production.

Frequently Asked Questions

What is slugging percentage in baseball?

Slugging percentage measures batting power by averaging total bases reached per at bat. It rewards extra-base hits more heavily than singles.

How do you calculate slugging percentage?

Add singles plus twice doubles plus three times triples plus four times home runs, then divide by at bats. Singles equal total hits minus doubles, triples, and home runs.

Is slugging percentage actually a percentage?

No. Despite the name, SLG is a decimal average of bases per at bat. A value of .500 means half a base per at bat on average.

What is a good slugging percentage?

MLB league average is typically near .400. All-star power hitters often post SLG above .500, while .600 or higher marks elite seasons.

What is the maximum possible slugging percentage?

The theoretical maximum is 4.000 if a batter homered every at bat. A realistic elite season is around .700, with Babe Ruth's record near .690.

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Slugging Percentage