Deck Railing Calculator

Estimate posts, balusters, railing sections, and total cost for your deck railing project. Compare pressure-treated wood, composite, aluminum, and cable railing options.

Total Linear Feet

Corners / Extra Posts

Railing Height (in)

Pricing (edit to match local rates)

Wood PT ($/LF)

Composite ($/LF)

Aluminum ($/LF)

Cable Railing ($/LF)

Post ($/each)

Total Posts

every 6 ft + corners

Sections

6-ft sections

Balusters

120

spaced every 4" per code

Best Total Cost

$800.00

Pressure-Treated Wood

Purchase Option	Quantity	Est. Cost
Pressure-Treated WoodBest value	8 posts, 7 sections	$800.00
Composite	8 posts, 7 sections	$1,600.00
Aluminum	8 posts, 7 sections	$2,000.00
Cable Railing	8 posts, 7 sections	$2,600.00

Cheapest option: Pressure-Treated Wood at $800.00Pressure-treated wood is the most budget-friendly railing option. It's easy to work with and widely available. Plan on staining or sealing every 2-3 years to maintain appearance and longevity.

This is a material estimate only. Actual quantities depend on your deck layout, post placement, and local code requirements. Balusters are calculated at 4" on-center spacing per IRC code. Always verify with your local building department.