Concrete weight is the standard measure of volume weight of the concrete. Enter the concrete volume in this online calculator to find the concrete weight. The online concrete weight calculator using volume shows the result in kg, mg, g and so on. The density or weight of the concrete is measured based on the aggregate, the amount of entrained air (and entrapped air), water and cement content. You can choose volume in different measurements such as m3, yd3 and so on.