Free deck calculators
Run the takeoff math for a deck without signing up. Each calculator shows its working so you can paste the numbers straight into a quote — or let Deckworks write the invoice line item for you.
Deck Board Calculator
Enter your deck dimensions and board size to see how many decking boards you need, including a waste factor. The calculator shows the full math so you can drop it straight into a quote.
Deck Joist Calculator
Figure out how many joists your deck frame needs at 12, 16 or 24 inches on center, plus rim and band joists.
Deck Railing Calculator
Work out how many railing sections and posts you need for a run of deck railing, and what the material costs.
Deck Stair Calculator
Enter the total rise from the deck surface to the landing and get an even riser height, tread count, and how many stringers the stair width needs.
Deck Screw Calculator
Estimate how many deck screws and how many boxes you need for a given deck area.
Concrete Footing Calculator
Calculate the concrete volume for round deck footings and convert it to 60lb or 80lb bags.
Skip the copying
In the app, every calculator result becomes a priced invoice line item with the math attached. Free for your first three invoices.
Start free