How this estimate works
The calculator applies: (item1Qty x item1Cost + item2Qty x item2Cost) x (1 + tax/100). Keep measurements in one unit system and round up when suppliers sell whole units.
Limitations
Labour, delivery, permits, disposal, discounts, and regional tax rules are not included.
Source to check
Read the authoritative guidance for project cost calculator
Frequently asked question
Can I use this as a quote? No. Treat it as a planning estimate and confirm current prices.