Slugging Percentage (SLG) Calculator

Slugging percentage (SLG) is a popular baseball metric that captures how many bases a hitter gains per at-bat.

Because it weights doubles, triples and home runs higher than singles, it offers a sharper look at pure power than batting average alone.

Enter your at-bat totals below and the calculator will instantly turn your hits into a precise three-decimal slugging percentage you can compare against league benchmarks for added context today.

Slugging Percentage FAQ

What is slugging percentage?

Slugging percentage is total bases divided by at bats.

It rewards extra base hits by counting doubles, triples and home runs as two, three and four bases respectively.

How is SLG different from batting average?

Batting average treats every hit the same, while SLG gives more credit for hits that travel farther.

A player with the same average but more extra base hits will have a higher SLG.

Why do I need singles input instead of total hits?

Singles are used to determine total bases accurately.

Total hits alone hide how many of those hits were for extra bases, so the calculator needs the full breakdown.

What is considered a good slugging percentage?

League averages change over time, but a figure around .425 is roughly average in MLB.

Anything above .500 is strong, and numbers over .600 are elite.

Does the calculator round the result?

Yes.

The script rounds the slugging percentage to three decimal places, matching the format commonly published in baseball statistics.