WHIP Calculator
Calculate a pitcher's WHIP (Walks plus Hits per Inning Pitched) from walks, hits, and innings pitched. WHIP = (walks + hits) / innings pitched.
1.10
Above average
WHIP = (walks + hits) / innings pitched. It measures how many baserunners a pitcher allows per inning; a WHIP under 1.10 is excellent.
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Calculation Method
WHIP — walks and hits per inning pitched — measures how many baserunners a pitcher allows for every inning they throw. Runners on base are the raw material of scoring, so a pitcher who keeps the bases clear keeps runs off the board. WHIP is prized in fantasy baseball and by analysts because, unlike ERA, it is not distorted by the timing of when those runners come around to score.
The WHIP Formula
Only walks (BB) and hits allowed (H) count — intentional walks are included, but hit batsmen and errors are not. Innings pitched use thirds notation (.1 = one out, .2 = two outs).
Worked Example
A pitcher has allowed 30 walks and 80 hits over 100 innings:
- Add walks and hits: 30 + 80 = 110 baserunners
- Divide by innings pitched: 110 / 100 = 1.10 WHIP
A 1.10 WHIP means the pitcher allows about 1.1 baserunners per inning — excellent run prevention at the source.
WHIP Benchmarks
| WHIP | Rating |
|---|---|
| Below 1.00 | Elite |
| 1.00 – 1.09 | Excellent |
| 1.10 – 1.24 | Above average |
| 1.25 – 1.39 | Average |
| 1.40 and up | Below average |
WHIP vs ERA
ERA tells you how many runs scored; WHIP tells you how many runners were allowed in the first place. A pitcher can post a low ERA on a high WHIP if they consistently strand runners — but that is hard to sustain. Reading WHIP alongside ERA reveals whether a pitcher's run prevention is built on a firm foundation or on fragile timing.
Why Errors Are Excluded
A runner who reaches base on a fielding error does not count toward WHIP, because that runner is the defense's doing, not the pitcher's. Likewise, hit batsmen are excluded from the standard formula even though they reach base — only walks and hits enter the numerator. This keeps WHIP focused tightly on the two outcomes most under the pitcher's control.
A Favorite in Fantasy Baseball
WHIP is one of the standard "roto" pitching categories precisely because it is stable and predictive: a pitcher's WHIP from one season tends to carry over better than their win total or even their ERA. A sub-1.10 WHIP across a full season usually signals a genuine front-of-rotation arm.
Note: This calculator is for educational use. Official figures apply standard scoring rules and inherited-runner accounting.
Frequently Asked Questions
WHIP = (walks + hits) / innings pitched. For example, 1 walk and 5 hits over 6 innings is (1 + 5) / 6 = 1.00. It measures baserunners allowed per inning.
Under 1.00 is elite, 1.00-1.20 is excellent, around 1.30 is average, and above 1.50 is poor. WHIP pairs well with ERA to judge a pitcher.
No. WHIP counts only walks and hits. Hit-by-pitches and batters who reach on errors are excluded, which is one reason it is paired with other stats.
How do you calculate WHIP?
What is a good WHIP?
Does WHIP include hit batters or errors?
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