They provide a rough cost range including typical offcuts – for a binding quote, a local specialist trade business is recommended as well.
Building & Living
How many litres of paint for the living room wall, how much screed for a new build, or how high will heating costs be? Calculators around building and living provide material quantities and cost estimates for renovation, new builds and garden projects.
From roof pitch to solar yield estimates to insulation: energy-related questions can also be roughly worked out here in advance, before a specialist takes over the binding planning.
19 calculators in this category
Materials & Quantities
Paint, tiles, screed, concrete and more
Wall Paint Calculator
Enter wall area, cutouts and coverage – get the exact liter requirement instantly
Wallpaper Calculator
Enter room perimeter and room height – get the exact number of rolls instantly
Tile Calculator
Enter area, tile format and waste allowance – get the exact quantity instantly
Screed Calculator
Enter area, thickness and bulk density – get all key figures for your project instantly
Laminate Flooring Calculator
Enter installation area, cutting waste and pack coverage – get the required number of packs including reserve instantly
Paving Stone Calculator
Enter area, stone size and wastage – get the exact number of stones for your driveway, patio or path instantly
Concrete Calculator
Enter area and layer thickness – instantly get concrete volume, weight and the number of bags for your site
Fence Cost Calculator
Estimate the cost range and post count for wood, metal, composite (WPC) and chain-link fencing
Renovation Cost Calculator
Choose room size and measures – get an instant rough estimate of your total renovation costs
Lawn Area Calculator
Calculate the lawn area and the right amount of grass seed for a new lawn or overseeding
Lawn Fertilizer Calculator
Calculate the fertilizer amount needed from area, application rate and nitrogen content (NPK)
Garden Cost Calculator
Rough cost range for a new garden and ongoing garden maintenance per m² – for guidance only, not a fixed price
Construction & Dimensions
Roof pitch, stairs and room volume
Roof Pitch Calculator
Enter roof height and roof depth – instantly get roof pitch in degrees and percent plus rafter length
Staircase Calculator
Enter floor-to-floor height – get the number of steps, rise and going instantly per DIN 18065 and the German step formula
Room Volume Calculator
Enter length, width and height – instantly get the room volume for ventilation, heating and air conditioning
Pool Calculator
Calculate water volume and chlorine dosing for rectangular, round and oval pools
Energy & Insulation
Heating costs, solar power and insulation
Heating Cost Calculator
Enter energy source, annual consumption and price – instant annual and monthly costs
Solar Panel Calculator
Enter system capacity in kWp, location peak sun hours and performance ratio – get the annual yield in kWh instantly
Insulation Calculator
Enter insulation thickness and lambda value – get instant U-value and R-value results under Germany's GEG 2024 and KfW standards
Frequently asked questions about Building & Living
It calculates using sunshine hours and a performance ratio that can be adjusted depending on location.