Baseball OPS Calculator
Calculate on-base percentage, slugging percentage, and OPS from batting results.
Inputs
Enter batting totals to see OPS metrics.
Results
ready to use.
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- Results firstPut the main number up front and keep the process secondary.
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How to read OPS
Enter the raw totals from an official batting line to calculate OBP, SLG, OPS, and batting average on one consistent basis.
OPS is a comparison metric. Read it within the same league, season, and a similar sample, then confirm the official record.
What OPS measures
OPS adds on-base percentage (OBP) and slugging percentage (SLG). It combines reaching base and power in one number, but it does not measure defense, baserunning, or every scoring context.
Calculate OBP
OBP is the share of plate appearances that end with a hit, walk, or hit by pitch. Sacrifice flies belong in its denominator; sacrifice bunts and catcher interference are not inputs here.
- OBP = (H + BB + HBP) / (AB + BB + HBP + SF)
- H = 1B + 2B + 3B + HR
Calculate SLG
SLG is total bases per at-bat. Walks and hit by pitches help OBP, but they do not add total bases.
- SLG = TB / AB
- TB = 1B + 2 × 2B + 3 × 3B + 4 × HR
Hits and total bases
Hits count successful hits. Total bases add the advancement value of each hit type, so a double is worth two bases and a home run is worth four.
Worked example
Enter AB 502, BB 61, HBP 4, SF 6, 1B 95, 2B 35, 3B 3, and HR 28. The result is H 161, TB 286, OBP .3944, SLG .5697, OPS .9641, and AVG .3207.
- OBP: (161 + 61 + 4) / (502 + 61 + 4 + 6) = .3944
- SLG: 286 / 502 = .5697; OPS: .3944 + .5697 = .9641
Check inputs
Use cumulative totals for one player, league, and season. Check that the component hits agree with the official batting line before calculating.
- Enter every single, double, triple, and home run
- Confirm walks, hit by pitches, and sacrifice flies
Common mistakes
Adding walks to at-bats or omitting sacrifice flies changes OBP. A home run is one hit, but it contributes four total bases.
- Do not add total hits again after hit types
- Calculate from raw totals before comparing rounded values
What the totals cover
OPS is easiest to compare within the same league and season. A short stretch can move sharply in a small sample, so consider plate appearances with the rate.
Verify official records
This calculator checks the totals you enter. Confirm standings, awards, and historical records against the relevant league’s official statistics and game records.
- Check the season and player filters on MLB Statistics
- Check corrections and the official scoring scope
FAQ
What is OPS?
OPS is a batting statistic that adds on-base percentage and slugging percentage.
Is a higher OPS better?
Within the same league and season, a higher OPS generally indicates more reaching base and extra-base power.
Do walks count as at-bats?
Walks do not count as at-bats, but they are included in the OBP numerator and denominator.
Why are sacrifice flies needed?
Sacrifice flies are included in the OBP denominator to match the official calculation.
Are total bases and hits the same?
No. Total bases give extra weight to doubles, triples, and home runs.
Is this result an official record?
No. Confirm official records on the MLB or relevant league statistics page.