Decking Cost Calculators & Material Estimators

Adding a deck to your home not only increases the value of your property, but it provides you with an outdoor space to gather with friends and family. Whether you’re planning to hire a professional contractor to build a new deck or are taking the DIY route and building a deck yourself, there’s a lot of planning involved.

To help you get a better ideas of the quantity and cost of materials you’ll need, as well as measurements and specifications to build your deck according to a plan, we’ve created several deck building calculators. These decking calculators will help guide you through the process of building your deck, giving you access to design plans, estimations for materials, and more.


Find how much concrete you will need for your project

Joist Span

Maximum joist span between beam and house or beam to beam


Deck floor materials, screws and hidden fastener calculator


Stringer length, angle, projection and number of risers needed


Calculator 2x2 and classic balusters

Beams And Footings

Determine your beam and footing size based on your joist span and post spacing

Cost To Build A Deck

Find out how much you will pay in materials to build a deck

Baluster Spacing

Find out how many balusters you need for each raining section and where to attach them

Get started on building your deck and building your knowledge with some of our tutorials:

  • Learn about the anatomy of a deck
  • Visit our How-To library with information on how to frame your deck, footings, design, planning, and more
  • Starting from scratch? Check out our free deck designer software or choose from free pre-made plans to build your brand new deck. Each plan includes a list of materials you’ll need.
  • Have questions? Get in touch with us! We’d be happy to answer your questions. Or, if you’re looking for a professional contractor in your area, we can help you get a quote to build your new deck -- no matter how big or how small your budget.