Free Decking Cost Calculators & Material Estimators
Use Our Calculators to:
- Find out the total cost to build your deck
- Discover the quantity and types of materials you’ll need
- Get measurement and specifications for your deck plan
Deck Cost Calculators
Cost to Build Your Deck
Find out how much you will pay to build a deck using materials like pressure-treated wood, hardwoods or composite.
Composite Cost Calculator
Calculate the cost of materials to build a composite deck in a few easy steps.
Decking and Railing Estimators
Stairs Calculator
Calculate the measurements you’ll need to build your deck stairs, including stringer length, angle, projection and number of risers.
Calculate Decking Materials
Estimate the number of deck boards, screws and hidden fastener you’ll need for your project.
Railing Calculator
Calculate how many balusters you’ll need for projects using 2x2 or classic balusters.
Baluster Spacing
Find out how many balusters you need for each railing section and where to attach them to make sure your deck adheres to code.
Deck Foundation Calculators
Concrete & Cement
Find how much concrete you will need for your project, including deck footings, walls, supports, and sidewalks & patios.
Beam Span & Footing Size
Determine your beam and footing size based on your joist span and post spacing
Joist Span
Estimate the maximum joist span between beam and house or beam to beam.
Looking to hire a deck contractor in your area?
Learn How to Build a Deck with Trex Academy
How-to video tutorials, common questions and FAQs, downloadable resources, and pro tips from Trex’s expert guides.
