Sports

On-Base Percentage Calculator

Find a baseball hitter's OBP.

Hits

Walks (BB)

Hit by pitch

At-bats

Sacrifice flies

Calculated Output

On-base percentage 0.3772

Formula: OBP = (H + BB + HBP) ÷ (AB + BB + HBP + SF)

Step-by-Step Breakdown

1. Values used:

2. Hits = 150

3. Walks (BB) = 60

4. Hit by pitch = 5

5. At-bats = 500

6. Sacrifice flies = 5

8. On-base percentage = 0.3772

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The math behind it

OBP = (hits + walks + hit-by-pitch) ÷ (at-bats + walks + HBP + sacrifice flies).

→ .386.

Good OBP?

.350+ is good; .400+ is elite.