Pressure to Head Reference Values
Convert pressure in psi to equivalent water head in feet or meters.
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Reference Value Index
This page lists 16 reference values for quick browsing and lookup.
All Reference Values
- 1 psi = 2.31 ft head
- 2 psi = 4.62 ft head
- 5 psi = 11.55 ft head
- 10 psi = 23.1 ft head
- 15 psi = 34.65 ft head
- 20 psi = 46.2 ft head
- 25 psi = 57.75 ft head
- 30 psi = 69.3 ft head
- 40 psi = 92.4 ft head
- 50 psi = 115.5 ft head
- 60 psi = 138.6 ft head
- 80 psi = 184.8 ft head
- 100 psi = 231 ft head
- 120 psi = 277.2 ft head
- 150 psi = 346.5 ft head
- 200 psi = 462 ft head
Reference Table
| Pressure | Equivalent Head | Head (m) |
|---|---|---|
| 1 psi | 2.31 ft head | 0.704 |
| 2 psi | 4.62 ft head | 1.408 |
| 5 psi | 11.55 ft head | 3.52 |
| 10 psi | 23.1 ft head | 7.041 |
| 15 psi | 34.65 ft head | 10.561 |
| 20 psi | 46.2 ft head | 14.082 |
| 25 psi | 57.75 ft head | 17.602 |
| 30 psi | 69.3 ft head | 21.123 |
| 40 psi | 92.4 ft head | 28.164 |
| 50 psi | 115.5 ft head | 35.204 |
| 60 psi | 138.6 ft head | 42.245 |
| 80 psi | 184.8 ft head | 56.327 |
| 100 psi | 231 ft head | 70.409 |
| 120 psi | 277.2 ft head | 84.491 |
| 150 psi | 346.5 ft head | 105.613 |
| 200 psi | 462 ft head | 140.818 |
Frequently Asked Questions
Frequently asked questions for Pressure to Head and its reference values.
How do you convert psi to feet of head?
For water, feet of head is approximately psi multiplied by 2.31.
Why convert pressure to head?
Head units are often used in pump and piping calculations, making pressure-to-head conversion useful for system checks.
Can this be reversed from head to psi?
Yes. Divide feet of head by 2.31 to estimate psi for water.
Does this apply to all fluids?
This conversion is for water-equivalent head. Other fluids require density correction.
Methodology and Review
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