Weber Number Calculator

Weber Number Equation

$$ We = \frac{ \rho v^2 L}{ \sigma } $$ where:

We = Weber Number (Dimensionless)

ρ = Fluid Density (kg/m³)

v = Flow Velocity (m/s²)

L = Characteristic Length (m)

σ = Surface Tension (N/m)

Calculator

Property to Calculate:

Weber Number (We):

Fluid Density (ρ):

Flow Velocity (v):

Characteristic Length (L):

Surface Tension (σ):

Equation Assumptions

Assumptions:

The fluid is incompressible.
The fluid is homogeneous.
Steady flow conditions.
Surface tension is constant.