At Worldwide Foam, we want to ensure that you are receiving the materials that fit your exact needs. To better assist you, explore our custom calculators. Diameter Density Yield Core Diameter (OD) in Inches Material Thickness in Inches Estimated Roll Length in Feet Calculate Conversion Value Conversion Unit Expansion Ratio g/cc kg/m3 lb/ft3 Expansion Ratio G/CC KG/M3 LB/FT3 Calculate PART SIZE(in) Width: Length: Number of Nest: SHEET SIZE(in) X size: X size: Total Yield: Sqft/Part: W size: W size: Total Yield: Sqft/Part: T size: T size: Total Yield: Sqft/Part: M size: M size: Total Yield: Sqft/Part: Calculate