Bernoulli's Equation Calculator
Calculate pressure, velocity, or elevation using Bernoulli's principle
About this calculator
Our Bernoulli's Equation Calculator applies the fundamental principle of fluid mechanics to determine pressure, velocity, or elevation at different points in a fluid flow system. This powerful tool is essential for engineers, students, and professionals working with pipe flow, aircraft design, and hydraulic systems. By inputting known values at two points in a fluid system, you can instantly calculate the unknown parameter, making complex fluid dynamics calculations simple and accurate.
How to use
Enter the known values for pressure, velocity, and elevation at two different points in your fluid system. Select which parameter you want to calculate by leaving that field empty. Click calculate to get your result based on Bernoulli's principle, which assumes steady, incompressible flow with no energy losses.
Frequently asked questions
What is Bernoulli's principle?
Bernoulli's principle states that as fluid velocity increases, pressure decreases, assuming constant total energy in steady, incompressible flow without friction losses.
When can I use Bernoulli's equation?
Use it for steady, incompressible fluid flow with negligible viscosity and friction, such as water through pipes or air over aircraft wings.
What units does the calculator accept?
The calculator typically accepts SI units: pressure in Pascals, velocity in m/s, and elevation in meters for consistent and accurate results.