Ø Saída Caixa d'Água
- Created by
- Renato Passos, Eng. de Software
- Reviewed by
- Renato Passos, Eng. de Software
Last updated: Apr 18, 2026
About this calculator
The UtilizAí caixa d'água outlet diameter calculator is a useful online tool for calculating the required diameter for a water tank, considering the water volume (Q) and the flow velocity (v).
The calculation is done using the mathematical formula Ø = √(4Q/πv) mm, which is a mathematical expression that relates the diameter to the input parameters.
This calculator is suitable for use in construction projects, especially in hydraulics, where it is necessary to calculate the correct sizes for the design and construction of water tanks.
It is essential to be careful when calculating the diameter, as an incorrect value can affect the efficiency and safety of the water supply system.
Frequently asked questions
What is the velocity (v) in the calculation?
The velocity (v) is the flow velocity of water in meters per second (m/s). It is essential to keep in mind that the velocity may vary depending on the project and the location of application.
Can I use this calculator for other types of tanks?
No, this calculator is specifically designed to calculate the outlet diameter of water tanks. For other types of tanks, you will need a different calculator.
What is the water volume (Q) in the calculation?
The water volume (Q) is the amount of water that will be stored in the water tank, in cubic meters (m³). It is essential to keep in mind that the volume may vary depending on the project and the location of application.
Can I save the calculation result?
Yes, you can save the calculation result for future use or to share with others.