# Darcy-Weisbach Equations Calculator

## Fluid Mechanics Hydraulics Formulas #### Inputs:

friction factor (f)
unitless
pipe length (L)
pipe diameter (D)
flow velocity (V)
acceleration of gravity (g)

#### Conversions:

friction factor (f)
= 0
= 0
pipe length (L)
= 0
= 0
foot
pipe diameter (D)
= 0
= 0
foot
flow velocity (V)
= 0
= 0
foot/second
acceleration of gravity (g)
= 0
= 0
foot/second^2

= NOT CALCULATED

#### Other Units:

Change Equation
Select to solve for a different unknown Solve for head loss Solve for friction factor Solve for pipe length Solve for pipe diameter Solve for flow velocity Solve for acceleration of gravity
Where
 h = head loss f = friction factor L = pipe length D = pipe diameter V = flow velocity g = acceleration of gravity

Reference - Books:
1) Warren Viessman and Mark J. Hammer. 1993. Water Supply and Pollution Control. Harper Collins College Publishers, Inc. 5th ed.

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