Decking Calculator
Calculate decking boards, joists and bearers required for a deck.
Estimate only — not a substitute for a licensed tradesperson, a certified engineer, or sign-off from your local building surveyor. Verify against current standards and site conditions before ordering materials or starting work.
building rules differ by state, territory and council. Results are estimates - confirm requirements with your local council or state building authority before you build.
Result
- Boards required (running deck length)
- 45
- Joists required
- 15
- Deck area
- 24m²
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What this is based on
Quantity take-off - board count from deck area and board coverage.
We cite the clause and link to the publisher so you can read the source yourself. We do not reproduce the text or tables of the NCC or of any Australian Standard.