How to convert bar to PSI
To convert bar to PSI, multiply by 14.503773773. Pressure conversions are used for tire inflation, weather, scuba diving, hydraulics and medical devices.
Bar to PSI conversion table
| Bar (bar) | PSI (psi) |
|---|---|
| 0.1 bar | 1.4503773773 psi |
| 0.5 bar | 7.25188688651 psi |
| 1 bar | 14.503773773 psi |
| 2 bar | 29.007547546 psi |
| 3 bar | 43.5113213191 psi |
| 4 bar | 58.0150950921 psi |
| 5 bar | 72.5188688651 psi |
| 10 bar | 145.03773773 psi |
| 20 bar | 290.07547546 psi |
| 25 bar | 362.594344326 psi |
| 50 bar | 725.188688651 psi |
| 100 bar | 1,450.3773773 psi |
| 500 bar | 7,251.88688651 psi |
| 1,000 bar | 14,503.773773 psi |
About the units
Bar (bar)
A bar equals exactly 100,000 pascals, close to atmospheric pressure at sea level.
PSI (psi)
Pounds per square inch is the US unit for tire, air compressor and hydraulic pressure.
How to use this converter
- Type the number of bar (bar) in the input box.
- The result in PSI appears instantly — no button needed.
- See the same value in every other pressure unit just below.
- Use “Swap units” to convert PSI back to bar.
When you’ll use the bar to psi conversion
Converting bar to psi comes up more often than you might expect — for example when inflating tires to the right pressure, reading weather barometer values, or scuba and diving calculations. Type your number once and you get the exact answer plus every related unit, so you don’t need to convert twice.
💡 For a quick estimate in your head, multiply by about 15 (the exact factor is 14.503773773).
Watch out for these mix-ups
- Gauge pressure ignores atmospheric pressure; absolute pressure includes it.
- Mixing psi and bar on tire labels — 2.2 bar is about 32 psi.
Tips for better results
- Double-check which system a unit belongs to (for example US vs UK gallons).
- Use the swap button to convert in the opposite direction instantly.
- Bookmark the conversions you use most — each pair has its own page.
Frequently asked questions
How many PSI are in one bar?
One bar equals 14.503773773 PSI. 14.503773773 is the exact factor used by this converter.
How do I convert bar to PSI?
Multiply the value in bar by 14.503773773. To go the other way, multiply PSI by 0.0689475729317.
What is 10 bar in psi?
10 bar = 145.03773773 psi. Also, 5 bar = 72.5188688651 psi and 100 bar = 1,450.3773773 psi.
What is the difference between a bar and a psi?
A bar equals exactly 100,000 pascals, close to atmospheric pressure at sea level. Pounds per square inch is the US unit for tire, air compressor and hydraulic pressure.
Is this tool free and private?
Yes — the Bar to PSI is completely free with no sign-up, and it runs entirely in your browser, so the values you enter are never uploaded to our servers.
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