How does the weight of concrete compare to granite?

When comparing the weight of concrete and granite, it’s essential to consider their densities and typical applications. Concrete, a widely used construction material, has an average density of about 2,400 kg/m³ (150 lbs/ft³). Granite, a natural stone, is denser, with an average density of approximately 2,700 kg/m³ (168 lbs/ft³). This means granite is generally heavier than concrete for the same volume.

The weight difference stems from their composition. Concrete is a mixture of cement, water, and aggregates like sand and gravel, which makes it lighter than granite, a solid rock formed from minerals like quartz and feldspar. Despite being heavier, granite is often preferred for countertops, flooring, and decorative elements due to its durability and aesthetic appeal. Concrete, on the other hand, is favored for structural applications like foundations and walls because of its versatility and cost-effectiveness.

In construction, the choice between concrete and granite depends on factors like load-bearing requirements, design preferences, and budget. While granite adds a premium look and strength, concrete offers flexibility and ease of use. Understanding their weight differences helps architects and builders make informed decisions for their projects.