How Much Does Steel Weigh?

    Free Steel weight calculator — enter your dimensions for instant results

    How much does steel weigh?

    Steel weighs 490 lb/ft³ (7,850 kg/m³)

    Mohs hardness: 4-4.5 | Used for: Construction, automotive, appliances, and infrastructure

    🪨 Steel

    How much does steel weigh?

    Steel weighs 490 lb/ft³ (7,850 kg/m³).

    Key Steel Facts:

    • Density: 7,850 kg/m³ (490 lb/ft³)
    • Hardness: 4-4.5 on Mohs scale
    • Common uses: Construction, automotive, appliances, and infrastructure

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

    Formula: Weight = Volume × Density

    Compare with: Aluminum • Stainless Steel

    Related Metals Calculators:

    Formula & Assumptions

    Formula:

    Weight = Volume × Density

    Density Used:

    Steel: 490 lb/ft³ (7850 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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    Steel weight calculation follows the standard formula: Weight = Volume × Density. Steel has a consistent density of approximately 490 pounds per cubic foot (7,850 kg/m³), making it one of the densest common construction materials — roughly three times heavier than concrete and nearly three times heavier than granite.

    For flat steel plates and sheets, calculate the volume by multiplying length × width × thickness (all in the same units), then multiply by the density. For structural shapes like I-beams, channels, and angles, it is more practical to use the published weight-per-linear-foot values found in steel reference tables, since these shapes have complex cross-sections that make volume calculation tedious.

    When working in inches, a useful shortcut for mild steel plate is to multiply length (in) × width (in) × thickness (in) × 0.2833 to get the weight in pounds. This constant (0.2833 lb/in³) is the density of carbon steel expressed in pounds per cubic inch.

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