About the OPS Calculator
On-base plus slugging (OPS) from OBP and SLG, with the performance tier it falls into.
Also known as: ops baseball, on base plus slugging, ops+ calculator.
How to use this calculator
- Enter on-base percentage, slugging percentage.
- The result updates instantly as you type — press Calculate (or Enter) at any time.
- Review the breakdown shown under the main result.
- Use Copy result or Share to save the answer or send a link with your inputs.
Formula
OPS = OBP + SLG
Worked example
Using the values pre-filled in the calculator above:
- On-base percentage = 0.372
- Slugging percentage = 0.498
the calculator returns:
- OPS: 0.87
- Tier: Above average
- OBP share: 42.8%