About the Walk Rate Calculator
Walk rate (BB%) as a percentage of plate appearances, for batters or pitchers.
Also known as: bb% calculator, base on balls rate, walk percentage.
How to use this calculator
- Enter walks, plate appearances.
- The result updates instantly as you type — press Calculate (or Enter) at any time.
- Open “Step-by-step” to see how the answer was worked out.
- Use Copy result or Share to save the answer or send a link with your inputs.
Formula
Walk rate = Walks ÷ Plate appearances × 100
Worked example
Using the values pre-filled in the calculator above:
- Walks = 58
- Plate appearances = 620
the calculator returns:
- Walk rate: 9.35%
Working
Walk rate = 58 ÷ 620 × 100 = 9.3548%