🏗️ Baluster Spacing Calculator
Calculate the perfect spacing for your deck or stair railing balusters
inches
💡 Measure from post to post
posts
💡 Minimum 2 posts (start & end)
inches
💡 Typical 4x4 post is 3.5"
inches
💡 Actual width at widest point
inches
💡 US building code: max 4"
Your Results
Balusters Needed
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pcs
Actual Spacing
0
inches
Number of Spaces
0
gaps
Available Length
0
inches
Building Code Information
US Building Code: Balusters must be spaced no more than 4 inches apart. Building inspectors often use a 4-inch spherical ball to test compliance. Always verify your local building codes before installation, as requirements may vary by location.