Insulation Calculator

Calculate how much insulation you need for walls and attics. Supports fiberglass batts, blown-in cellulose, and spray foam with cost estimates.

Area Length (ft)

Area Width (ft)

Wall Height (ft)

Insulation Type

Desired R-Value

Compare fiberglass batts, blown-in cellulose, and spray foam to find the best option for your project and budget.

Choose from standard R-values for interior walls, exterior walls, and attics. The calculator determines the correct thickness.

Get a realistic cost range based on current material prices so you can budget accurately before heading to the store.

Calculate how much concrete you need for slabs, footings, and columns. Get cubic yards, bags, and cost estimates. Free tool.

Calculate roofing materials needed including shingles, underlayment, and nails. Estimate costs by roof area and pitch. Free tool.

Calculate the number of drywall sheets needed for your project. Accounts for doors, windows, and waste. Free tool.

Calculate how much paint you need for walls and ceilings. Accounts for doors, windows, and multiple coats. Free tool.

Loading tool...

You Might Also Like