Diâmetro mínimo tubulação
- Created by
- Renato Passos, Eng. de Software
- Reviewed by
- Renato Passos, Eng. de Software
Last updated: Apr 18, 2026
About this calculator
The pipe diameter calculator is a useful tool for construction professionals who need to calculate the minimum diameter of a pipe based on fluid flow (Q) and fluid velocity (v).
The calculation is performed using the formula D = √(4Q/(πv)), which is a basic equation of hydraulics that relates the diameter of a pipe to fluid flow and fluid velocity.
This calculator is especially useful in construction projects that involve water, sewage, and gas systems, where selecting the correct pipe diameter is crucial to ensure system efficiency and safety.
In addition, the calculator also helps to avoid common mistakes, such as selecting a pipe diameter that is too large or too small for the specific fluid flow of the project, which can cause problems with pressure loss or corrosion.
Frequently asked questions
What is the minimum pipe diameter?
The minimum pipe diameter is the smallest possible diameter of a pipe that can be used to transport a specific fluid without pressure loss or corrosion.
When to use this calculator?
This calculator should be used when you need to select the correct diameter of a pipe for a construction project that involves water, sewage or gas systems.
How does the formula D = √(4Q/(πv)) work?
The formula D = √(4Q/(πv)) calculates the diameter of a pipe based on fluid flow (Q) and fluid velocity (v).
What happens if I select a wrong pipe diameter?
If you select a wrong pipe diameter, it may cause problems with pressure loss or corrosion, which can affect the efficiency and safety of the system.
Can I use this calculator for other types of calculations?
No, this calculator is specific for pipe diameter calculations and cannot be used for other types of calculations.