Decking Calculators

Build the perfect deck with our free decking calculators. Work out exactly how many deck boards you need, the correct joist spacing for a solid sub-frame, and the overall materials for your project.

Whether you are using timber or composite boards, these tools handle the maths so your deck is strong, level and built without costly over-ordering. All calculators support metric and imperial units.

Decking Calculators(3)

Browse Other Categories