How Much Does Polystyrene Weigh?

    Free Polystyrene weight calculator — enter your dimensions for instant results

    How much does polystyrene weigh?

    Polystyrene weighs 66 lb/ft³ (1,050 kg/m³)

    Used for: Packaging, insulation, disposable cups, and CD cases

    🪨 Polystyrene

    How much does polystyrene weigh?

    Polystyrene weighs 66 lb/ft³ (1,050 kg/m³).

    Key Polystyrene Facts:

    • Density: 1,050 kg/m³ (66 lb/ft³)
    • Common uses: Packaging, insulation, disposable cups, and CD cases

    Use this calculator to determine polystyrene weight by entering your dimensions below.

    Formula: Weight = Volume × Density

    Formula & Assumptions

    Formula:

    Weight = Volume × Density

    Density Used:

    Polystyrene: 66 lb/ft³ (1050 kg/m³)

    Note:

    Results are estimates based on average material densities. Actual weights may vary ±5% due to material composition and moisture content. For structural applications, verify with your supplier.

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