Construction & estimating · Roofing & framing

Timber wall framing take-off calculator

Lineal metres of studs, plates, noggins and jamb studs for a list of walls.

Standard: Studs at spacing + plates + noggins + jambs

Inputs in the worked example

The live calculator starts with these values; change any of them and every result, check and diagram updates instantly.

Input	Value	Unit
Walls: length (m), height (m), openings	12, 2.7, 3 12, 2.7, 2 9, 2.7, 1 9, 2.7, 1 6, 2.4, 1 4.5, 2.4, 1
Stud spacing	450	mm
Add corner studs	Yes
Double top plate	Yes
Waste	10	%
Timber price	6.5	$/m
Labour	45	$/m of wall

Diagram for the worked example

Studs per wall = ceil(L/spacing) + 1 + 2 per opening (+2 corners)
Noggin rows ≈ ceil(H/1.35) − 1
Lintels, bracing, tie-downs not included; size members to AS 1684
Rates are example inputs only. Replace them with current supplier quotes and local labour rates.

Roof sheeting & battens — Gable roof area from plan and pitch, sheet count and length, battens, screws and cost.
Earthworks cut & fill — Volumes from cross-section areas, loose and compacted volumes, truck loads and a mass-haul diagram.
Excavation, cart-away & disposal — Excavated bank volume with batters, bulking, backfill retained, truck loads, tonnes to tip and cost.
Asphalt & pavement — Asphalt tonnes, tack coat and base course quantities and cost.
Concrete materials estimate — Cement bags, sand, aggregate and water for site-mixed concrete by ratio, with wastage.
Bar schedule & rebar weight — Reinforcement mass by bar mark, totals by diameter and tonnage to order.

For preliminary design and education. Check every result against the current standard and your own engineering judgement before use.