Insulation & comfort

Insulation Calculator

Your measurements : area, area per package. Your estimate : packages to buy, area to purchase, extra area for waste.

Your measurements

Enter your own supplier price. Zero leaves cost out of the result.

How the calculation works

Insulation Calculator

round up(Area × (1 + Waste allowance / 100) ÷ Area per package)

Before you order

  • This is a rough planning estimate. Choose the W/m³ assumption for your situation; climate, insulation, air leakage and glazing can change the load. A professional heat-loss or cooling-load calculation is needed for final equipment selection.

Worked example

Area
20 m²
Area per package
2.2 m²
Waste allowance
10 %

Packages to buy 10

Area to purchase 22 m²

Keep planning

My project

Optional local saving. Your measurements stay in this browser for 30 days. Clear them at any time.

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