Decking Calculator NZ

Estimate decking boards, joists, bearers, posts, post-hole concrete, screws and optional material costs. Includes a live deck drawing and a printable take-off.

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Enter your deck details

Deck size

Deck length

Deck width

Board direction

Board preset

Board width

Board gap

Waste allowance

Stock board length optional for full boards

Live deck drawing

The drawing updates automatically when board direction, board preset, board gap and deck size change.

Framing & supports

Joist centres

Bearer centres

Post spacing

Additional posts

Concrete & fixings

Post-hole diameter

Post-hole depth

Screws per board at each joist

Optional print details & costs

Company name for print

Project / address for print

Decking cost per metre optional

NZ$

Joist cost per metre optional

NZ$

Bearer cost per metre optional

NZ$

Post cost each optional

NZ$

Put this calculator on your website

Builders, landscapers and deck specialists may embed this calculator free of charge.

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Calculator by Olivergroup Software