🌊 Fluid Mechanics
Fluid Flow (Flow Rate) Calculator
Calculate flow rate, velocity, and Reynolds number for pipe flow.
📐 Pipe Geometry
Pipe Diameter
m
Cross-Sectional Area
m²
Auto-calculated from diameter
💨 Flow Parameters
Flow Velocity
m/s
Flow Rate
m³/s
Auto-calculated from velocity & area
🧪 Fluid Properties
Fluid Type
Density: 1000 kg/m³, Viscosity: 0.001 Pa·s
Temperature
°C
Affects density and viscosity
Re
0
Flow Rate
0 m³/s
volumetric flow
Velocity
0 m/s
Area
0 m²
Reynolds Number
0
Flow Type
—
📊 Flow Details
| Parameter | Value | Unit |
|---|
How the formula works
Q = V × A | A = π × d² / 4 | Re = (ρ × V × d) / μ
- Q (Flow Rate) = Velocity × Area (m³/s)
- V (Velocity) = Flow rate ÷ Area (m/s)
- A (Area) = π × d² / 4 (m²)
- d (Diameter) = Pipe inner diameter (m)
- Re (Reynolds Number) = (ρ × V × d) / μ
- ρ (Density) = Fluid density (kg/m³)
- μ (Viscosity) = Dynamic viscosity (Pa·s)
- Flow Type: Re < 2000 = Laminar, 2000–4000 = Transition, Re > 4000 = Turbulent