Peso Próprio (laje concreto)
- Created by
- Renato Passos, Eng. de Software
- Reviewed by
- Renato Passos, Eng. de Software
Last updated: Apr 18, 2026
Formula
concreto ρ=2500
About this calculator
The concrete slab weight calculator is a useful tool for construction professionals and engineering students. It helps to calculate the weight of the slab, which is essential for designing safe and efficient structures.
The weight of the concrete slab is calculated by multiplying the volume of the slab by the density of the concrete, which is 2500 kg/m³. This is done using the formula: weight = density of concrete × volume of slab.
This calculator should be used when designing concrete structures, such as slabs, beams and columns. Additionally, it's essential to consider the load factors and the concrete's resistance to ensure the structure's safety.
Remember that the density of concrete may vary depending on the type of concrete used and its age. It's crucial to verify the supplier's data and perform tests to ensure the accuracy of the calculation.
Frequently asked questions
How to calculate the weight of the concrete slab?
To calculate the weight of the concrete slab, multiply the volume of the slab by the density of the concrete, which is 2500 kg/m³.
What is the density of concrete?
The density of concrete is the mass per unit volume of the material. For concrete, the density is 2500 kg/m³.
When to use this calculator?
This calculator should be used when designing concrete structures, such as slabs, beams and columns.
What is important to consider when calculating the weight of the concrete slab?
It's essential to consider the load factors and the concrete's resistance to ensure the structure's safety.