Equivalent Length of Pipe Calculator 
Equivalent length is the length of pipe with diameter and friction factor having the same energy loss as a fitting 

Units: f and K are unitless. D and L_{eq} have the same units. For instance: If D is in meters, then L_{eq} is in meters. If D is in inches, then L_{eq} is in inches. If D is in ft, then L_{eq} is in ft. Equivalent length equation: L_{eq} = K D / f
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