Trade calculator

Plastering cost calculator

Adjust the material rate, wastage, labour rate, production speed, and plant cost to estimate a practical cost per square metre.

$31.50Material
$20.00Labour
$4.00Plant
Base material rate before wastage.
$30.00
Additional allowance for waste and overage.
5.0%
Loaded labour cost per hour.
$80.00
Square metres completed per hour.
4.0 m²/h
Per-square-metre allowance for tools or plant.
$4.00

Cost breakdown per m²

Material including wastage$31.50
Labour cost$20.00
Plant or tool allowance$4.00

Estimated total

$55.50

Use this as a quick benchmark before overheads, margin, and project-specific factors.