Enter the total weight of aggregate (kg) and the total volume of aggregate (m^3) into the Aggregate Density Calculator. The calculator will evaluate and display the Aggregate Density. 

Aggregate Density Formula

The following formula is used to calculate the Aggregate Density. 

AD = AW / AV
  • Where AD is the Aggregate Density (kg/m^3)
  • AW is the total weight of aggregate (kg) 
  • AV is the total volume of aggregate (m^3) 

How to Calculate Aggregate Density?

The following example problems outline how to calculate Aggregate Density.

Example Problem #1:

  1. First, determine the total weight of aggregate (kg).
    1. The total weight of aggregate (kg) is given as: 300.
  2. Next, determine the total volume of aggregate (m^3).
    1. The total volume of aggregate (m^3) is provided as: 30.
  3. Finally, calculate the Aggregate Density using the equation above: 

AD = AW / AV

The values given above are inserted into the equation below:

AD = 300 / 30 = 10 (kg/m^3)

FAQ

What is aggregate density and why is it important?
Aggregate density refers to the mass of the aggregate per unit volume (usually expressed in kg/m^3). It is a critical parameter in construction and engineering, as it affects the strength, stability, and durability of concrete and other composite materials. Understanding aggregate density helps in the accurate formulation of concrete mixes and in estimating the quantity of materials needed.

How can variations in aggregate density affect construction projects?
Variations in aggregate density can significantly impact the quality and integrity of construction projects. Higher density aggregates generally contribute to stronger and more durable concrete structures, while lower density aggregates might be used for lighter construction needs or insulation purposes. Incorrect assumptions about aggregate density can lead to improper material mix ratios, affecting the structural performance and longevity of the project.

Are there different types of aggregates, and do they have different densities?
Yes, there are various types of aggregates used in construction, including sand, gravel, crushed stone, and recycled concrete, among others. Each type has a different density, influenced by factors such as mineral composition, particle size, and moisture content. For example, crushed stone typically has a higher density than gravel. Selecting the appropriate type of aggregate for a specific application is crucial for achieving the desired properties in the finished product.