Enter a pitcher's Hits Allowed, Walks Allowed, and Innings Pitched to calculate their WHIP (Walks plus Hits per Inning Pitched). You'll get the WHIP value along with a quality rating — from elite to poor — based on MLB benchmarks. Useful for fantasy baseball analysis, scouting, and evaluating pitching performance.
WHIP
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Rating
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Baserunners per 9 Innings
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Total Baserunners Allowed
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WHIP stands for Walks plus Hits per Inning Pitched. It is a sabermetric statistic used to measure how many baserunners a pitcher allows per inning. It is one of the most widely used metrics for evaluating a pitcher's overall effectiveness and ability to prevent hitters from reaching base.
The formula is simple: WHIP = (Hits Allowed + Walks Allowed) / Innings Pitched. For example, a pitcher who allows 180 hits and 50 walks over 200 innings has a WHIP of (180 + 50) / 200 = 1.15.
A WHIP below 1.00 is considered elite and is rare at the MLB level. A WHIP between 1.00 and 1.15 is excellent, 1.15 to 1.30 is above average, 1.30 to 1.50 is average, and anything above 1.50 is considered below average or poor.
Enter partial innings as decimals where .1 represents one out recorded and .2 represents two outs. For example, 6 innings and 2 outs would be entered as 6.2. The calculator handles these correctly in the WHIP formula.
ERA (Earned Run Average) measures how many earned runs a pitcher allows per nine innings, while WHIP measures how many baserunners (hits + walks) are allowed per inning. WHIP can be a more consistent predictor of future performance because it is less affected by factors like fielding and timing of hits.
No, hit-by-pitches (HBP) are not included in the standard WHIP calculation. Only hits (H) and walks (BB) are factored in. Some advanced metrics include HBP for a more complete picture, but the official WHIP formula used in MLB statistics does not.
No, errors do not count toward WHIP. If a batter reaches base due to a fielding error, it is not charged to the pitcher in the WHIP calculation. Only hits and walks that the pitcher directly allows are counted.
Pedro Martinez holds the single-season record for the lowest WHIP in the modern era, posting an incredible 0.7373 WHIP in 2000. Addie Joss holds the all-time career WHIP record at 0.9678, though records from the early 1900s are harder to compare with the modern game.