Calculate the weight of hollow round gold tubing from outside diameter, inside diameter, length and density. The hollow center is automatically excluded from the metal volume.
The tube is treated as an outer cylinder minus an inner cylinder. Dimensions are converted from millimetres to centimetres before the volume calculation.
Using only the outside diameter would treat the tube as solid and overestimate its mass. The inner diameter removes the hollow core from the calculated metal volume.
The default 19.32 g/cm³ is the density used for elemental gold. Actual jewellery alloys should use an appropriate alloy density for higher accuracy. 3
No. That would represent zero material thickness and therefore zero metal volume.
Yes. Enter the relevant density and purity.
No. It assumes constant circular dimensions along the entered length.