How do I calculate the diameter of an aluminum coil based on its weight and density?

To calculate the diameter of an aluminum coil based on its weight and density, you first need to know the volume of the coil. The formula for volume (V) is V = mass (m) / density (蟻). Once you have the volume, you can use the formula for the volume of a cylinder, V = 蟺r虏h, where r is the radius and h is the height (or length) of the coil. If you know the height of the coil, you can solve for the radius and then double it to find the diameter (D = 2r). Ensure you have consistent units for all measurements. This calculation assumes the coil is cylindrical and uniform in thickness.