OTTER® i-CAN Calculator
The Otter i-CAN calculator is ideal to help you calculate the total number of screws required to finish your deck. All you need to do is answer a few simple questions and the i-CAN calculator does the rest!

Definitions:


Perpendicular
Being at right angles to the joists.

Parallel
In the same direction as the joists.

  DECKING SCREWS CALCULATOR  
  Length of deck perpendicular to joists in metres
  Width of deck parallel to joists in metres
  Joist spacing on centre in millimetres (eg. 450)
  Width of deck board in millimetres (eg. 20)
  Gap between deck boards in millimetres
  Screws per intersection of joist & deck board
  TOTAL NUMBER OF SCREWS REQUIRED