Bar to pounds per square inch
Type a value in bar to get it in psi instantly.
4,351.132psi
That's 3× as strong as desalination brine — nothing on our list beats it. That would hold up a column of water about 3,059 meters tall.
Convert the other way: psi to bar
What it means
How hard does it pull?
Van ’t Hoff’s law is exact only for dilute solutions at 25 °C. Concentrated brines deviate, which is why desalination plants use measured data.
The math
How to convert bar to psi
To convert bar to pounds per square inch, multiply by 14.5038.
Example: 300 bar × 14.5038 = 4,351.13 psi.
In the other direction, 1 psi = 0.0689476 bar.
Every unit
Your pressure in every unit
Tables
bar to psi conversion table
| bar | psi |
|---|---|
| 0.1 bar | 1.45038 psi |
| 1 bar | 14.5038 psi |
| 5 bar | 72.5189 psi |
| 7.4 bar | 107.328 psi |
| 10 bar | 145.038 psi |
| 25 bar | 362.594 psi |
| 30 bar | 435.113 psi |
| 50 bar | 725.189 psi |
| 60 bar | 870.226 psi |
| 100 bar | 1,450.38 psi |
psi to bar conversion table
| psi | bar |
|---|---|
| 0.1 psi | 0.00689476 bar |
| 1 psi | 0.0689476 bar |
| 5 psi | 0.344738 bar |
| 7.4 psi | 0.510212 bar |
| 10 psi | 0.689476 bar |
| 25 psi | 1.72369 bar |
| 30 psi | 2.06843 bar |
| 50 psi | 3.44738 bar |
| 60 psi | 4.13685 bar |
| 100 psi | 6.89476 bar |
Quick answers
Quick answers
- How many psi is 1 bar?
- 1 bar is 14.5038 psi.
- How many psi is 10 bar?
- 10 bar is 145.038 psi.
- How many psi is 300 bar?
- 300 bar is 4,351.13 psi.
The units
About these units
Bar (bar)
The working unit in desalination and membrane work.
Pounds per square inch (psi)
The US unit, on every RO pump gauge.
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