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Moody and Fanning Friction Factor

Flow rate 'Q' (gpm) Warning Messages !    
Specific Gravity 'g'      
Viscosity ( CP )  

How to use the application:

  • This is an iterative calculation
  • Enter requried inputs in valid numeric format
  • Select from the two friction factor equations
  • Press 'Calculate' button
  • Application warns for all possible errors
  • Press 'Example' button to reset to default inputs values to learn how inputs should be provided
  • There are various other techniques to calculate the friction factor
  • For more calculation options please review the 'Friction Factor' software available in application area
Pipe ID ( in )    
Pipe Roughness 'e'
Friction Factor Equation    
Relative Roughness ( e/D )
Reynold number    
Moody Friction Factor ( Fm )      
Fanning Friction Factor (Fn )      
Flow Regieme