Tools

Calculate how many gallons of deck stain or sealer you need by deck size, number of coats, and product coverage. Get cans needed and total cost.

Calculate deck stair risers, treads, and stringer length from total rise. Get step count, actual riser height, and stringer cut length for your deck stairs.

Calculate how many deck joists you need from your deck's run length and on-center spacing, plus total material cost for the joist boards.

Enter your deck railing run to get baluster or cable count, post count, and total material cost that meets the standard 4-inch code gap rule.

Enter your deck's length and width to find how many composite boards and hidden-fastener clips to buy, plus total material cost for your build.

Calculate how many deck boards you need from your deck's length and width. Get board count, waste allowance, screw box quantity, and total material cost.