Baluster Spacing Calculator

You've found the perfect balusters to complete your railing, now determine the layout you’ll need to finish your project. Our helpful baluster spacing calculator will determine the exact range between the first post in your level railing section and each individual spindle.

Giving you on-center measurements, our baluster spacing tool will help your railing meet building codes and remain symmetrical throughout.

baluster spacing diagram

How does it work?

  • Measure the length of your level railing section, post to post.
  • Enter the distance in inches.
  • Table will supply on-center dimensions for each baluster.
  • Note: Calculations are based on standard 3/4 inch baluster size.
Enter a length between 4.56 inches and 120 inches to get results.