Free trade calculators

Building and carpentry#

• Concrete calculator: Cubic metres and 20 kg bags for a slab, strip footing or post holes.
• Roof pitch calculator: Roof pitch in degrees, common rafter length with the eave, and rafter count.
• Stair calculator: Risers, goings and stringer length, checked against the NCC 2022 stair limits.
• Decking calculator: Decking boards, joists and screws for a deck, with waste.

Landscaping#

• Soil calculator: Cubic metres of garden soil or turf underlay for a bed or lawn.
• Mulch calculator: Cubic metres of mulch for garden beds from the area and depth.
• Gravel calculator: Cubic metres and tonnes of gravel for a path, driveway or base.
• Paver calculator: How many pavers for an area, with cuts, and the bedding sand.
• Turf calculator: Square metres of turf to order for a lawn, with cutting allowance.

Pricing the job#

• Markup calculator: Price to quote from a cost, by markup or by margin, with GST.

From measurements to a quote#

1. 1

   Put in the measurements

   Or describe the job in plain words and the boxes fill themselves in.

2. 2

   Check the answer

   It updates as you type, with the working shown in the examples underneath.

3. 3

   Turn it into a quote

   One tap opens the free quote generator with the materials as lines. You add your prices.