Home & Trade
Material estimates and tools for building and renovating.
Flashing Designer
Design a custom flashing profile and get an instant price.
Paint Calculator
Estimate how much paint a room needs.
Material Estimator
Ballpark timber, plaster, and sheet quantities from a few measurements.
Concrete Calculator
Volume of a slab or footing, and an estimate of pre-mix bags.
Gravel Calculator
Volume and tonnes of gravel for a given area and depth.
Mulch Calculator
Volume of mulch for a garden bed.
Roof Pitch & Rafter Calculator
Pitch angle and rafter length from rise and run.
Tile Calculator
How many tiles a floor needs, with waste.
Drywall Calculator
Plasterboard sheets for a wall area.
Fence Calculator
Posts and rails for a run of fence.
Deck Calculator
Deck boards from the area and the board size.
Paver Calculator
How many pavers cover an area, with waste.
Roofing Calculator
Sloped roof area from the plan area and the pitch.
Roofing Shingle Calculator
Bundles of shingles from the roof area and the cover per bundle.
Gutter Calculator
Gutter length and a downpipe estimate.
HVAC BTU Calculator
A rough cooling load from the floor area.
Board Foot Calculator
Board feet from thickness, width, and length.
Stair Stringer Calculator
Risers, goings, and stringer length for a total rise.
Stud Wall Calculator
How many studs a wall needs at a given spacing.
Construction Estimate Generator
Add up line costs and apply a margin.