How Much Does OSB Weigh?

    Free OSB (Oriented Strand Board) weight calculator — enter your dimensions for instant results

    How much does osb (oriented strand board) weigh?

    OSB (Oriented Strand Board) weighs 40 lb/ft³ (640 kg/m³)

    Used for: Roof/wall sheathing, subflooring, and structural applications

    🪨 OSB (Oriented Strand Board)

    How much does osb (oriented strand board) weigh?

    OSB (Oriented Strand Board) weighs 40 lb/ft³ (640 kg/m³).

    Key OSB (Oriented Strand Board) Facts:

    • Density: 640 kg/m³ (40 lb/ft³)
    • Common uses: Roof/wall sheathing, subflooring, and structural applications

    Use this calculator to determine osb (oriented strand board) weight by entering your dimensions below.

    Formula: Weight = Volume × Density

    Related Lumber & Wood Calculators:

    Formula & Assumptions

    Formula:

    Weight = Volume × Density

    Density Used:

    OSB (Oriented Strand Board): 40 lb/ft³ (640 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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