Timber › Notes › 3.12 Calculations (always show working and units)
3.12 Calculations (always show working and units)
Volume m³ = L × W × T in metres; cost = volume × $/m³. Linear metres = number × length; cost = linear metres × $/m. Widening a top: number of boards = top width ÷ board width (round up); total length = number × length. Sheets: pieces per sheet from a layout, then total ÷ per sheet, rounded up. Finish: area × coats ÷ coverage = litres.
Uncertain items are flagged in italics. The syllabus content in this guide follows the Industrial Technology Stage 6 Syllabus (focus area: Timber Products and Furniture Technologies, HSC). NESA re-issued the syllabus in 2013 with OHS renamed WHS; the content dot points are otherwise as listed.