Continuity Equation
Flow Networks & Pipe Sizing
Flow Rate from Velocity
Flow Rate
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Velocity from Flow Rate
Velocity
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Area from Flow & Velocity
Area
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Continuity Principle & Conversions
Continuity Equation (Conservation of Mass)
Q = V × A
Flow rate (Q) = Velocity (V) × Cross-sectional area (A)
For incompressible flow: Q₁ = Q₂, therefore V₁A₁ = V₂A₂
Flow Rate Conversions
| From | To | Multiply by |
|---|---|---|
| m³/h | L/min | 16.667 |
| L/min | m³/h | 0.06 |
| m³/h | GPM | 4.402 |
| GPM | m³/h | 0.2271 |
| m³/h | CFM | 0.5886 |
| CFM | m³/h | 1.6990 |
Velocity Conversions
| From | To | Multiply by |
|---|---|---|
| m/s | ft/s | 3.2808 |
| ft/s | m/s | 0.3048 |
| m/s | km/h | 3.6 |
| km/h | m/s | 0.2778 |
Area Conversions
| From | To | Multiply by |
|---|---|---|
| m² | cm² | 10000 |
| cm² | m² | 0.0001 |
| m² | ft² | 10.764 |
| ft² | m² | 0.0929 |
| in² | m² | 0.00064516 |