Bar to pounds per square inch
Type a value in bar to get it in psi instantly.
That's 1.11× as much pressure as an espresso machine, while a fire hose is 1.2× higher. Spread over a fingertip, that is like resting 10.2 kg on it.
Convert the other way: psi to bar
What it means
How much pressure is that?
Tyre and tank figures are gauge pressure, measured above the surrounding air. Weather and altitude figures are absolute.
The math
How to convert bar to psi
To convert bar to pounds per square inch, multiply by 14.5038.
Example: 10 bar × 14.5038 = 145.038 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 |
|---|---|
| 0.5 bar | 7.25189 psi |
| 1 bar | 14.5038 psi |
| 1.5 bar | 21.7557 psi |
| 2 bar | 29.0075 psi |
| 2.5 bar | 36.2594 psi |
| 3 bar | 43.5113 psi |
| 4 bar | 58.0151 psi |
| 5 bar | 72.5189 psi |
| 10 bar | 145.038 psi |
| 15 bar | 217.557 psi |
| 20 bar | 290.075 psi |
| 30 bar | 435.113 psi |
| 50 bar | 725.189 psi |
| 100 bar | 1,450.38 psi |
psi to bar conversion table
| psi | bar |
|---|---|
| 0.5 psi | 0.0344738 bar |
| 1 psi | 0.0689476 bar |
| 1.5 psi | 0.103421 bar |
| 2 psi | 0.137895 bar |
| 2.5 psi | 0.172369 bar |
| 3 psi | 0.206843 bar |
| 4 psi | 0.27579 bar |
| 5 psi | 0.344738 bar |
| 10 psi | 0.689476 bar |
| 15 psi | 1.03421 bar |
| 20 psi | 1.37895 bar |
| 30 psi | 2.06843 bar |
| 50 psi | 3.44738 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.
The units
About these units
Bar (bar)
One bar is 100,000 pascals, chosen because it is almost exactly the air pressure at sea level. Divers, mechanics and brewers all work in bar.
Pounds per square inch (psi)
One psi is one pound of force on one square inch, about 6,895 pascals. US tyre gauges, compressors and plumbing all read in psi.
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