On base plus slugging, better known as OPS, is a popular sabermetric stat that blends the ability to reach base with the power to hit for extra bases.
Coaches, analysts and fans rely on it to compare hitters across teams and eras.
Type in a player’s on-base percentage and slugging percentage into the quick calculator below and you will instantly see the combined OPS value for any era or league.
On Base Plus Slugging (OPS) Calculator
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OPS Calculator FAQ
What is OPS?
OPS is the sum of a player's on-base percentage (OBP) and slugging percentage (SLG).
It captures how often a hitter reaches base and how much damage he does when he swings.
How is OPS calculated?
Simply add the on-base percentage to the slugging percentage.
The two components can be taken directly from standard stat sheets or box scores.
What is a good OPS value?
An OPS above 0.800 is considered strong, 0.900 is very good and 1.000 or more is elite in most professional leagues.
Can OPS be above 1.000?
Yes.
Exceptional hitters who pair a high OBP with tremendous power can exceed 1.000 for a season or even over an entire career.
Does OPS predict player value?
OPS correlates well with run production and overall offensive value, but it does not account for baserunning, situational hitting or defensive contributions.