The Deck Boards Count calculator computes the number of decking boards required for a floor or deck based on the dimension of the room or deck and the specifications of the boards.
INSTRUCTIONS: Choose units and enter the following:
Number of Boards (nB): The calculator returns the number of decking boards needed to achieve the specified surface area.
Decking Boards Floor Joists and Plates (end pieces).
The most common decking board sizes in North America are:
The North American boards are actually 5.5 inches wide. The assumption is a half inch gap between the boards. In Europe, the most common sizes are measured in millimeters as follows:
Deck boards are either laid perpendicular to the floor or deck joists, or on a diagonal pattern. The goal is to transfer the weight on the deck boards to the floor joist in a short distance. Never run the deck boards parallel to the floor joists.
To compute the number of floor joists needed for a deck or floor, CLICK HERE.