Free Tools
Project Calculators
Free planning calculators for NZ home projects. Get quick estimates for materials and quantities.
Roof Area Calculator
Calculate your roof area from pitch angle and house dimensions.
Painting Area Calculator
Work out the wall area of a room for paint quantity estimates.
Fencing Calculator
Estimate posts, rails, and palings needed for your fence.
Concrete Volume Calculator
Calculate cubic metres of concrete for slabs, driveways, and paths.
Flooring Area Calculator
Work out floor area with wastage allowance for ordering materials.