Steel Weight FormulasBased on theoretical nominal weights and considered approximate; used for estimating only. Weight per cubic inch (Density) of steel is .2904 lbs. |
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Rounds: | Diameter in inches squared x 2.67 = lbs. per foot |
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Squares: | Dimension (D) in inches squared x 3.40 = lbs. per foot |
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Hexagons: | Dimension (D) in inches squared x 2.9473 = lbs. per foot |
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Flats: | Thickness in inches x width in inches x 3.40 = lbs. per foot |
| Plates: | Thickness in inches x .2836 x 144 = lbs. per square foot | |
| Sheets: | Thickness in inches x .2904 x 144 = lbs. per square foot | |