Thru Manhole Friction Loss Calculator

Calculate the friction loss in a thru manhole under straight flow using:
\[ h_f = K_m \frac{V^2}{2g} \]

* Enter the manhole loss coefficient \(K_m\) and the flow velocity \(V\) (ft/s).

Step 1: Enter Parameters

Manhole Loss Coefficient, \(K_m\):

Example: 0.4

Flow Velocity, \(V\) (ft/s):

Example: 12 ft/s

Calculated Friction Loss