Project category

Decks & Fences calculators

Decking, fence post and panel calculators.

Fence CalculatorEnter your boundary length in metres to get the posts and fence bays to buy — works for timber paling fences and panel systems like Colorbond — with an optional GST-aware cost estimate.
Decking Calculator — Boards, Joists, and FixingsEnter metric deck dimensions and the approved board, joist, and fixing layout to get boards, joists, regular fixings, whole packs, and optional entered-price cost.

How these decks & fences calculators work

Each calculator starts from site measurements in metres and millimetres, converts them with a tested formula, shows the exact quantity and your waste allowance as separate lines, then rounds up to the package or order unit you actually buy. Prices are optional and always entered by you, so the estimate reflects your supplier rather than a national average.

Decks & Fences measuring guides

Step-by-step guides with worked examples and reference tables for Australia.

How to Measure Decking in Australia (Lineal Metres)Measure an Australian deck in lineal metres: divide deck width by board width plus gap for rows, multiply by length, add waste. With board sizes and a worked example.