Free UK DIY calculator

Insulation Calculator

Estimate insulation rolls for a measured area.

Instant results · Editable UK prices · Printable estimate

1. Enter your measurements

Change values for instant estimates. Example prices and product sizes are editable, not supplier quotes. Check packaging and fitting requirements.

m
m
%
m
m
mm
£

2. Your estimate

Printable shopping list

    Illustrative estimates only. Check supplier specifications, site conditions and local requirements before ordering or building.

    How to use the insulation calculator

    Estimate insulation rolls for a measured area. Quantities are planning estimates: measure the site, verify real pack dimensions, allow for cuts and follow manufacturer guidance before buying.