Hazen-Williams Head Loss in Circular Pipe (SI Units)


from "CE-3372 Water Systems Design (Notes) 2013"

Hazen-Willaims C-factors Tables from Engineering Toolbox.com

Estimates head loss in a circular pipe using

h_loss = (7.833/(0.849**1.852)) * ((Q/C_h)**1.852)*(L/(D**4.8707))
where:
   Q is flow in the pipe in cubic meters per second (CMS)
   C_h is the loss coefficient (read from table)
   L is pipe length in meters
   D is pipe diameter in meters

Enter Value for Loss Coefficient (C):

Enter Value for Diameter (D):

Enter Value for Length (L):

Enter Value for Discharge (Q):