OPS Calculator
OPS adds on-base percentage to slugging percentage for one number that captures both getting on base and hitting for power. Enter raw stats or plug in OBP and SLG directly.
How it works
OPS = OBP + SLG. On-base percentage rewards reaching base; slugging rewards extra bases. Adding them gives a rough all-in-one hitting number. Enter component stats and this tool computes both pieces, or switch to the rate-input mode if you already have OBP and SLG.
Worked example
A hitter with a .368 OBP and a .444 slugging percentage has an OPS of .368 + .444 = .811 (using the unrounded values before the final rounding).
Frequently asked questions
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Work out slugging percentage from total bases and at-bats.
Sources
- MLB.com — On-base Plus Slugging
- MLB.com — Standard & Advanced Stats Glossary
- FanGraphs — Sabermetrics Library
- Baseball Reference — Glossary
Last reviewed March 1, 2025. Rules and manufacturer charts change — verify against current official sources each season.