WHIP Calculator (Walks + Hits per Inning)
Compute a pitcher’s WHIP — walks plus hits allowed per inning pitched — the standard measure of baserunners allowed.
How it works
WHIP = (hits allowed + walks allowed) ÷ innings pitched
WHIP measures how many baserunners a pitcher allows per inning through hits and walks — it ignores how those runners are driven in, unlike ERA. A lower WHIP means fewer runners to defend, which is why it is a favorite of both analysts and fantasy leagues. Enter innings as a true decimal: two-thirds of an inning is .67, not .2, or the result will be off.
Worked example
Allowing 180 hits and 55 walks over 200 innings: baserunners = 235, WHIP = 235 ÷ 200 = 1.175. That is a strong mark — roughly 1.18 runners allowed per inning.
Frequently asked questions
What is a good WHIP?
Roughly: below 1.10 is excellent, around 1.30 is solid, and above 1.50 is poor for a starting pitcher. Relievers and eras shift the benchmarks somewhat.
Why is 6.1 innings not 6.1 here?
Baseball box scores write partial innings as .1 and .2 for one and two outs, but those are thirds. For this calculator convert them to decimals: 6⅓ = 6.33 and 6⅔ = 6.67.
Does WHIP include hit-by-pitch or errors?
No. Standard WHIP counts only hits and walks. Batters reaching on errors or hit-by-pitch are excluded, which is one reason WHIP is not a complete measure of runners allowed.
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This calculator is for educational purposes. Double-check important results before acting on them.