Free Roofing & Construction Tools

Upload your own roof plan (PDF/image), calibrate the scale and measure roof areas and linear components directly on screen.

Create professional quotes in minutes. No signup required, download as PDF.

Create professional invoices with tax calculations. Download as PDF.

Generate professional purchase orders for suppliers. Download as PDF.

Slab and footing volumes with depth presets, formwork areas, falls, and ready-mix pricing.

Already have measurements? Build reusable pricing components, enter areas and lengths, get instant priced results.

Calculate roof pitch from rise and run.

Roof pitch, rafter and hip/valley lengths, surface area, and roofing material quantities.

Calculate margin on a total or line by line. See selling price, profit and markup instantly.

Build smart roofing components with materials, waste, and costs.

Floor and wall areas, timber and stud lengths, material quantities, and cutting angles.

Garden and lawn areas, turf and topsoil quantities, slopes, gradients, and falls.

Bird's mouth seat cut and plumb cut angles, heel height, and notch depth with 1/3-depth pass/fail check.

Convert between pitch ratio, degrees, and percentage.

Calculate roof surface area from plan dimensions and pitch.

Calculate rafter length from span and pitch.

Convert rafter measurements between metric and imperial.

Calculate hip and valley rafter lengths.

Convert hip and valley measurements between units.

Calculate metal roofing sheets and fixings.

Calculate shingle quantities for your roof.

Calculate roof tile quantities and waste.

Calculate flat roof area and materials.

Calculate gable roof area, rafters and materials.

Calculate hip roof area, rafters and materials.

Calculate skillion roof area and materials.

Calculate roof area in roofing squares.

Calculate roof area in square metres.

Calculate roof area in square feet.

Calculate roof sheathing quantities.

Calculate roofing waste allowance.

Calculate corrugated roof sheet quantities.

Calculate gutter lengths and downpipe quantities.

Calculate flashing lengths for roofs.

Estimate roof replacement costs.

Full roofing takeoff with materials and labour.

Generate a roofing quote from calculations.

Calculate concrete slab volume and area.

Calculate number of concrete bags needed.

Calculate concrete footing volumes.

Calculate rebar quantities for slabs and footings.

Calculate trench volume for footings and services.

Calculate wall surface area for materials.

Calculate paint quantities for walls and ceilings.

Calculate tile quantities for floors and walls.

Calculate flooring material quantities.

Calculate slope, gradient and fall percentage.

Calculate pipe slope and fall for drainage.