Last updated: April 13, 2026

Baluster Calculator

Based on 3 sources
100 people find this calculator helpful

Table of contents

Baluster Spacing

Balusters (or spindles) are the vertical bars used in railings. For safety, many building codes require that a 4-inch sphere cannot pass between balusters.

Actual Spacing = [Length − (Count × Width)] / (Count + 1)
in
in
in

Did we solve your problem today?