- Convert the dimensions of the sheet to inches:
- Length: 4 feet = 48 inches
- Width: 8 feet = 96 inches
- Convert the thickness to decimal form:
- 3/16 inch = 0.1875 inches
- Calculate the area of the sheet in square inches:
- Area = Length x Width = 48 inches x 96 inches = 4,608 square inches
- Calculate the volume of the sheet in cubic inches:
- Volume = Area x Thickness = 4,608 square inches x 0.1875 inches = 864 cubic inches
- Convert the volume from cubic inches to cubic feet:
- Volume (cubic feet) = Volume (cubic inches) / 1728 = 864 cubic inches / 1728 = 0.5 cubic feet
- Determine the density of aluminum. The density of aluminum is typically around 0.098 pounds per cubic inch.
- Multiply the volume in cubic feet by the density to calculate the weight in pounds:
- Weight (lbs) = Volume (cubic feet) x Density = 0.5 cubic feet x 0.098 lbs/in³ ≈ 0.049 lbs
Therefore, a 4×8 3/16 aluminum sheet would weigh approximately 0.049 pounds.
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