Enter the total number of hits, walks, times hit by pitch, at bats, and sacrifice flies into the calculator. The calculator will evaluate and display the true on base percentage.

## On Base Percentage Formula

The following equation is used to calculate a true on base percentage.

OB% = (H + W + HBP) / (AB + W + HBP + SF)

- Where OB% is the on base percentage
- H is the total number of hits
- w is the total number of walks
- AB is the number of at bats
- HBP is the total number of hits by pitch
- SF is sacrifice fly

## What is on base percentage?

On base percentage is a measure of a batters efficiency on getting on base when up to bat. Often this is represented in a decimal form or ratio, but can also be represented as a percentage. The higher the OB% the better the baseball player is likely to be.