6 calculators
Insulation Calculators
Size insulation for walls, attics, and crawl spaces. These calculators convert your area and target R-value into bags of blown-in, batt counts, or spray-foam board feet, then estimate the material cost — so you buy the right amount the first time.
- House Insulation CalculatorEstimate insulation for your home’s walls.
- Attic Insulation CalculatorCalculate blown-in attic insulation bags by target R-value.
- Blown-In Insulation CalculatorWork out how many bags of blown-in insulation you need.
- Spray Foam Insulation Cost CalculatorEstimate spray foam insulation cost.
- Cellulose Insulation CalculatorCalculate cellulose insulation bags by target R-value.
- Wall Insulation CalculatorCalculate wall insulation batts from wall length and height.