Insulation Calculator

Calculate insulation materials and costs for walls and ceilings. Get accurate estimates for fiberglass, cellulose, spray foam, and mineral wool insulation.

✓ 100% Free • No Signup Required • Unlimited Use

🏠For Homeowners: Get a quick cost range with just a few measurements. Perfect for budgeting and comparing contractor quotes.

Quick Mode: Get a fast estimate with basic dimensions. Perfect for homeowners and initial budgeting.

feet
Length of area to insulate
feet
Width of area to insulate
feet
Height of walls (for wall insulation)
Higher R-value = better insulation

* Budget Planning Guide: These budget ranges are based on generalized industry data and may vary based on location, material quality, and local market conditions. Always obtain written bids from licensed contractors before making financial decisions.