The flow rate for a liquid in a pipe can be calculated as follows:



Figure 40 Find Flow Calculation – Liquid


  1. Select the Find Flow calculation.
  2. Select or define the Material and Internal Roughness of the pipe.  For more information about working with pipe materials, see: Pipe Material & Diameters
  3. Select or define the Internal Diameter of the pipe.  For more information about working with pipe diameters, see: Pipe Material & Diameters
  4. Set the Length and Elevation Change of the pipe.
  5. Add Fittings to the pipe if required.  For more information about working with fittings, see: Fittings & Valves
  6. Select the Fluid in the pipe.  For more information about working with fluid, see: Fluids Database
  7. Enter the Pressure Loss.
  8. Tap Calculate Flow, the Results Panel will slide up.

The internal diameter will be reset to 1.049” (26.64 mm) if running the trial version of Pipe Flow Wizard.

The Find Flow Results Panel displays the calculation input data and the results of the Find Flow calculation.  For more information about the Results Panel, see: Results Panel

The Flow units can be changed as required.  To change the flow units for all subsequent calculations, the flow unit can be specified in Settings > Units.  For more information about setting units, see Units


To generate and view an Excel or PDF Report of the results, tap the Excel button or PDF button.  For more information about generating reports, see: Creating a Report of the Results


To change the number of decimals the results are displayed to, tap the Results Decimals button in the Results Menu Bar.  For more information, see: Results Menu Bar


To copy the calculation data to one or more other calculations, tap the Copy button and select the required calculation(s).



Figure 41 Find Flow Results – Liquid


To close the Results Panel, tap the Close button in the Navigation Bar or the Close Results   button at the bottom.