Pipe Flow Rate Calculator
Pipe Flow Rate Calculator: calculate q with consistent units and explicit assumptions.
Inputs
mm
m/s
Results
- Flow rate
- 56.548668 m³/h
- Flow rate
- 15.707963 L/s
- Mean velocity
- 2 m/s
Formula
Q = area × mean velocity
Assumptions & limits
- Full circular pipe; no pressure-loss or pump-sizing model.
Worked example
For the example inputs: Flow rate = 56.54867 m³/h; Flow rate = 15.70796 L/s; Mean velocity = 2 m/s.
Q = area × mean velocity