Measure before buying

Home Renovation Toolkit

Measure the space once, keep the same unit throughout, then add a sensible waste allowance before ordering materials.

A simple order

Three steps to a clearer answer

Included tools

Estimate floor area, paint, tiles, concrete, air-conditioner capacity and electricity cost for a home project.

Calculate total floor area for repeated rectangular sections and convert between square metres and square feet.

Estimate litres of paint from surface area, coverage per litre and the number of coats.

Estimate tile quantity from total surface area, tile dimensions and a waste allowance.

Estimate concrete volume for one or more rectangular slabs, including an adjustable waste allowance.

Estimate room air-conditioner cooling capacity from floor area, occupancy, sun exposure and room use.

Estimate appliance energy use in kWh and monthly or annual electricity cost from your own tariff rate.

Calculate area and perimeter for rectangles, squares and circles, or area for a triangle.

Calculate volume and surface area for cubes, rectangular prisms, cylinders, spheres and cones.