- Home
- Forage Issues
- Pasture Info
- Forage ID
- Publications
- Hoos-Your Grazing Network
- Forage Links
- Variety Trials
- Indiana Forage Council
Plastic Pipe Sizing Chart
Pipe Length
| Diameter | 100' | 200' | 350' | 500' | 750' | 1000' | 1500' | 2000' | 3500' | 1 mile |
| 1/2" | 4* | 3 | -- | 2 | -- | -- | 1 | -- | -- | -- |
| 3/4" | 8 | 8 | 6 | 5 | 4 | 3 | -- | 2 | -- | 1 |
| 1" | 13 | 13 | 10 | 8 | 7 | 6 | 5 | 4 | 3 | 2 |
| 1-1/4" | 23 | 23 | 21 | 19 | 15 | 12 | 9 | 8 | 6 | 4 |
| 1-1/2" | 30 | 30 | 30 | 26 | 22 | 19 | 15 | 12 | 9 | 7 |
| 2" | 50 | 50 | 50 | 50 | 43 | 37 | 29 | 25 | 18 | 15 |
* Flow rate in gallons per minute
Source: Kentucky Grazers Supply
Plastic Pipe Friction Loss
| 3/4" | 1" | 1-1/4" | 1-1/2" | |
| 8 gpm | 5.8 psi | 1.3 psi | .4 psi | .2 psi |
| 10 gpm | 8.4 psi | 2.7 psi | .7 psi | .3 psi |
Source: Great Lakes Basin Grazing Network
& Michigan State University Extension
For more forage information contact Dr. Keith Johnson: johnsonk@purdue.edu
Copyright © 2007, Purdue University, all rights reserved.
An equal access/opportunity university.
1-888-EXT-INFO (1-888-398-4636)