Metric unit used to measure the density of a solid?

Answer 1

It is usually:

kg per cubed-meter
or
kg per cubed-centimeter
or
g per cubed-centimeter

(depending on which is most appropriate for what you are talking about)

Answer 2

The metric unit used to measure the density of a solid is grams per cubic centimeter (g/cm3). This unit represents the mass of the solid per unit volume, and is commonly used in scientific calculations and measurements of density.

Answer 3

The unit used to express the density of a solid is mass or volume. The unit used would be determined by the shape of the solid.