Insulation Roll Count Calculator
Figure out how many insulation rolls to purchase based on area coverage.
Add a margin for cuts and overlaps.
Examples
- 500 ft² area, 40 ft² per roll ⇒ 12.5 rolls
- 800 ft² area, 30 ft² per roll ⇒ 26.67 rolls
FAQ
Should I round up?
Yes, buy an extra roll to cover waste.
Does thickness matter?
This calculator only considers area coverage.
Can I mix roll sizes?
Use the average coverage if mixing sizes.
Is this for batt insulation?
It works for any roll product measured in square feet.
Additional Information
- Always round up to account for waste and overlaps.
- Coverage per roll varies by product thickness and width.