Joist Set Out Calculator

The joist set out calculator calculates the necessary joist spacing, and number of joists and gives the running measurements based on the length and width of the deck.

The joist set-out calculator provides precise measurements for your joists, guaranteeing tidy and uniformly spaced screw lines throughout the desired deck. Simply enter the length and width of the deck and get the necessary number of joists and joist spacing.

Length
mm
Width
mm
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    18 Number of calculations