Free tools

Tools that sit alongside the calculators: keep a shopping list, check a quote, compare energy upgrades, or put a calculator on your own site.

Project shopping listCollect results from any calculator into one list to print or share.
Tonnes to m³ converterConvert gravel, sand, topsoil and other aggregates between tonnes and m³.
Quote checkerSee how a quote compares with typical UK prices for the job.
Energy upgrade paybackCompare what insulation, solar and heat pumps cost against what they save.
Room plannerSketch a room from rectangles and get its floor area, perimeter and wall area.
Embed a calculatorPut any of our calculators on your own website for free.