Thermal insulation calculator

Calculate area, volume, packs and thermal resistance R of insulation.

Insulation calculation

Estimate insulation to buy and, when lambda is known, the thermal resistance R of the layer.

Mode

Thickness

Lambda conductivity

Length

Width

Waste allowance

Area per pack

Existing R-value & budget

Existing R-value to add

Price per pack

Area—

Area to allow for—

Insulation volume—

Packs—

Layer R-value—

Purchased area—

Surplus—

Indicative total R-value—

Budget—

Calculation details—