Bernoulli’s Equation Calculator

Use Bernoulli’s equation to solve for the pressure at point 2: $$ P_2 = P_1 + \tfrac{1}{2}\rho\,(v_1^2 – v_2^2) + \rho\,g\,(h_1 – h_2) $$

* Enter the parameters below in SI units.

Step 1: Enter Parameters

Pressure at Point 1, $ P_1 $ (Pa):

e.g., 101325 Pa (atmospheric pressure)

Velocity at Point 1, $ v_1 $ (m/s):

e.g., 2 m/s

Elevation at Point 1, $ h_1 $ (m):

e.g., 10 m

Velocity at Point 2, $ v_2 $ (m/s):

e.g., 1 m/s

Elevation at Point 2, $ h_2 $ (m):

e.g., 8 m

Fluid Density, $ \rho $ (kg/m³):

e.g., 1000 kg/m³ for water

Gravitational Acceleration, $ g $ (m/s²):

e.g., 9.81 m/s²

Calculated Pressure at Point 2