Pounds per square inch to feet of head
Type a value in psi to get it in ft instantly.
That's 1.06× as high as a house supply, while a town mains is 1.89× higher. That would reach about 7.043 floors up a building.
Convert the other way: ft to psi
What it means
How high will it push?
This is static head. A real system also loses head to friction in the pipe, which grows with the square of the flow.
The math
How to convert psi to ft
A column of fluid pushes with p = ρ g h: the height times the density times gravity. For water that is about 1 bar every 10 meters, or 1 psi every 2.31 feet. The figures below use the fluid selected above.
Example: 30 psi = 69.3245 ft.
The table below is for Water (998 kg/m³).
Every unit
Your head in every unit
Tables
psi to ft conversion table
| psi | ft |
|---|---|
| 1 psi | 2.31082 ft |
| 2 psi | 4.62164 ft |
| 5 psi | 11.5541 ft |
| 10 psi | 23.1082 ft |
| 20 psi | 46.2164 ft |
| 30 psi | 69.3245 ft |
| 50 psi | 115.541 ft |
| 75 psi | 173.311 ft |
| 100 psi | 231.082 ft |
| 150 psi | 346.623 ft |
| 200 psi | 462.164 ft |
ft to psi conversion table
| ft | psi |
|---|---|
| 1 ft | 0.432747 psi |
| 2 ft | 0.865494 psi |
| 5 ft | 2.16374 psi |
| 10 ft | 4.32747 psi |
| 20 ft | 8.65494 psi |
| 30 ft | 12.9824 psi |
| 50 ft | 21.6374 psi |
| 75 ft | 32.456 psi |
| 100 ft | 43.2747 psi |
| 150 ft | 64.9121 psi |
| 200 ft | 86.5494 psi |
Quick answers
Quick answers
- How many ft is 1 psi?
- 1 psi is 2.31082 ft.
- How many ft is 10 psi?
- 10 psi is 23.1082 ft.
- How many ft is 30 psi?
- 30 psi is 69.3245 ft.
The units
About these units
Pounds per square inch (psi)
The US pressure unit on every gauge and pressure switch.
Feet of head (ft)
The US pump measure. 2.31 feet of water is 1 psi.
Keep going