Pressure Loss with Outlets

Friction Loss from Laterals or Manifolds with Outlets

This first form calculates friction loss in a pipe with equally spaced outlets, such as a sprinkler lateral or a manifold.


Flow Rate In The Pipe:
Pipe Inside Diameter:
Number of Outlets:
Pipe Length:
Pipe Material:
Pressure Loss:

Minimum Pipe Diameter Size

This second form calculates the minimum pipe size for a pipe with equally spaced outlets such as a sprinkler lateral or manifold given a maximum allowable pressure loss.

Flow Rate In The Pipe:
Maximum Allowable Pressure Loss:
Number of Outlets:
Pipe Length:
Pipe Material:
Minimum Pipe Diameter:
1. Download irrigation calculators in individual Microsoft Excel 2003 files.