How Much Will Your New Deck Cost?
Here is a calculator to get you in the ballpark.
Enter the width and length of the deck; then choose the decking type, the fasteners, and the railing style to see what the materials will cost. Cost estimates are based on national averages obtained through phone calls to lumber centers across the U.S.
Framing: Calculate the cost of the floor frame excluding posts and beams. (Stay tuned — pier spacing, post size, and concrete calculators are on the way!)
Decking: Choose among six types of decking and three types of fastening systems.
Railing: Choose a simple or fancy wood railing, or pick a modular synthetic-railing system.
Also, visit the Deck Planning Center for advice on designing and building decks, information on green decking, and deck-building videos.