Bulk density is a measure of how much mass is contained in a given volume of a material. It is calculated by dividing the mass of the material by its volume, typically expressed in grams per cubic centimeter (g/cm³) or kilograms per cubic meter (kg/m³). This property is important in various fields, including agriculture, construction, and materials science, as it helps determine how materials will behave under different conditions. In agriculture, for example, bulk density can indicate soil compaction, which affects root growth and water infiltration. In construction, understanding the bulk density of materials like concrete or sand is crucial for ensuring structural integrity. Overall, bulk density provides valuable insights into the physical characteristics of materials.