WHIP

What is Walks plus Hits per Innings Pitched (WHIP)?

WHIP, or Walks plus Hits per Inning Pitched, is a rate stat used to measure how many base runners a pitcher allows per inning through walks and hits. The stat itself is a core metric for evaluating pitcher performance, without accounting for strikeouts or runs. Hit batters, errors, and runners who reach on a fielder’s choice are not included in WHIP. A strong indicator of an effective pitcher is by looking at their WHIP, as a lower WHIP usually signals better command, cleaner innings, and less erratic pitching. While a higher WHIP signals less command on pitchers and an innings that have hitters constantly reaching base, potentially causing runs against the pitchers team.

How is WHIP Used?

WHIP is used to evaluate how well a pitcher limits base runners, but several factors can influence the stat. Strong team defense can lower a pitcher’s WHIP by turning borderline hits into outs. On the flip side, poor defense can inflate WHIP even if the pitcher is making quality pitches. Ballpark factors also matter: pitchers in hitter-friendly parks tend to allow more hits, which impacts WHIP. Most importantly, control plays the biggest role. Pitchers with sharp command and low walk rates typically post lower WHIPs, making the stat a clear indicator of consistency and efficiency on the mound.

WHIP Formula

WHIP = (Walks + Hits) / Innings Pitched

The formula consists of: adding the number of walks and hits a pitcher allows, then divide that by the total innings pitched.

WHIP Calculator

How to use WHIP?

WHIP is useful because it strips out other variables and focuses on the two most important responsibilities for a pitcher: a pitcher’s ability to avoid walks and avoid giving up hits. A WHIP below 1.00 is considered elite, while anything above 1.15 tends to fall into the average range.