Slugging % SLG
SLG stands for slugging percentage in baseball. Bases earned per at-bat — a measure of power, not of getting on base.
How SLG is calculated
SLG = Total Bases ÷ AB, where TB = 1B + 2×2B + 3×3B + 4×HR
It is not a percentage and its ceiling is 4.000, not 1.000. It also says a double is worth exactly two singles, which is generous to the double.
Slugging percentage calculator
That would lead the 250 qualified players of 2026. The median was .407.
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What counts as a good SLG?
Half of the 250 qualified MLB players in 2026 were at or below .407. Clearing .486 put a season in the top tenth of the league.
- Median
- .407
- Top 10%
- .486
- Leader
- .601
By position, the median was .434 for 1B, .426 for DH, .417 for C, .416 for LF, .406 for 3B and .405 for RF.
Qualified: 300+ AB, non-zero, 2026 regular season.