On-Base Percentage (OBP) Calculator

0.0(0)

Calculates a baseball player's On-Base Percentage (OBP), which measures how often a batter reaches base per plate appearance.

How To Use

How to use this calculator

Start with your values, or try a preset.

Step 1

Enter Hits, Walks (Base on Balls), Hit by Pitch, At Bats, and Sacrifice Flies in the units shown.

Step 2

Read On-Base Percentage (OBP) in the results panel. Results update as you change the inputs.

Step 3

Choose a preset to load an example, then adjust the values for your situation.

Worked Examples

See the inputs and their calculated results.

Hits: 150; Walks (Base on Balls): 75; Hit by Pitch: 12; At Bats: 600; Sacrifice Flies: 7

On-Base Percentage (OBP): 0.3414985591

Hits: 100; Walks (Base on Balls): 50; Hit by Pitch: 5; At Bats: 400; Sacrifice Flies: 3

On-Base Percentage (OBP): 0.3384279476

Hits: 200; Walks (Base on Balls): 100; Hit by Pitch: 20; At Bats: 700; Sacrifice Flies: 10

On-Base Percentage (OBP): 0.3855421687

People Also Calculate

Continue with another tool on a related topic.

Calculates changes in player or team ratings based on the outcome of a match using the Elo rating system.

Calculates points for each event in a heptathlon based on performance marks.

Calculates appropriate training paces for different types of runs based on a recent race time and distance.

Calculates pace (time per distance unit) based on distance and time, or vice-versa, for activities like running or cycling.