Baseball OBP Calculator

Calculate On-Base Percentage (OBP) - how frequently a batter reaches base

Hits (H)

Walks (BB)

Hit By Pitch (HBP)

At Bats (AB)

Sacrifice Flies (SF)

About OBP

On-Base Percentage (OBP) measures how frequently a batter reaches base. The formula is: OBP = (H + BB + HBP) / (AB + BB + HBP + SF). OBP is considered more valuable than batting average as it accounts for walks. League average is around .320, with elite hitters exceeding .400.