Explore these tools
Material quantities, construction costs and cutting-plan calculations. Choose a tool below and enter the details for your task. Each calculator explains its inputs and shows the result in your browser.
Tools and calculators
Sheet Cutting Optimiser
Powerful tool for planning panel cutting layouts. Minimise offcuts and save material costs.
Timber Cutting Calculator
Enter your available boards and required pieces – the system automatically works out the optimal cutting plan with minimal waste.
Tile Calculator
Accurately calculate the number of tiles needed for floors or walls, including grout lines and material allowance.
Wallpaper Calculator
Calculate rolls and drops with pattern repeat, then view hanging and cutting plans.
Flooring Calculator
Calculate the quantity of tiles, hardwood or laminate with a lay pattern visualiser – Straight, Offset, Diagonal and Herringbone methods.
Paint Calculator
Work out wall and ceiling area, deduct doors and windows, and estimate litres by coverage, coats and allowance.
Underfloor Heating Pipe Calculator
Estimate wet underfloor heating pipe length and loops, then view a proportional spiral or serpentine layout.
Concrete Calculator
Estimate concrete volume, weight, waste allowance and bag quantities for slabs, footings, columns, piles and stairs.
Concrete Mix Ratio Calculator
Work out cement, sharp sand, coarse aggregate and water for a known concrete volume.
Roof Pitch Calculator
Calculate roof angle, percentage pitch, rafter length, ridge rise and roof covering area.
House Building Cost Calculator
Estimate materials, labour, systems, finishes and the contingency budget.
Choosing the right calculator
Estimate concrete, paint, flooring and cutting plans before buying materials. Check the dimensions and allow for waste where the selected tool offers a reserve setting.
Compare the available tools before you start. For a useful result, check the units, assumptions and any optional settings in the calculator you choose.