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Weight per Foot Formula:
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The Metal Weight Per Foot calculation determines the weight of a metal section per linear foot based on its cross-sectional area and material density. This is essential for structural engineering, construction, and manufacturing applications.
The calculator uses the formula:
Where:
Explanation: The formula calculates weight per foot by multiplying area by density and converting to pounds per foot using the standard conversion factor.
Details: Accurate weight calculation is crucial for structural design, load calculations, material estimation, cost calculations, and transportation planning in construction and manufacturing industries.
Tips: Enter the cross-sectional area in square inches and the material density in pounds per cubic inch. Common metal densities: Steel ≈ 0.283 lbs/cu in, Aluminum ≈ 0.098 lbs/cu in, Copper ≈ 0.323 lbs/cu in.
Q1: Why divide by 144 in the formula?
A: We divide by 144 (12×12) to convert from pounds per cubic inch to pounds per linear foot, as there are 144 square inches in a square foot.
Q2: Can I use this for non-metal materials?
A: Yes, this formula works for any material as long as you have the correct density value for that material.
Q3: How do I find the cross-sectional area of complex shapes?
A: For complex shapes, break them down into simpler geometric shapes, calculate each area separately, then sum them together.
Q4: What if I have measurements in different units?
A: Convert all measurements to consistent units before calculation. For metric units, use appropriate conversion factors.
Q5: How accurate is this calculation?
A: The calculation is mathematically precise. Accuracy depends on the precision of your area measurement and density value.