PSI to Bar Converter
Convert pounds per square inch (psi) to bars (bar) as you type — 1 psi = 0.068948 bar. Switch units, change the precision or copy the result.
- InstantResults update as you type
- 27 categoriesFrom length to data storage
- PrivateRuns in your browser
How to use this tool
Steps for using the Unit Converter.
- Enter a value in From — pounds per square inch are already selected.
- The result in bars appears instantly. Change either unit to convert to anything else in pressure.
- Use the swap button for the reverse conversion, and set the decimal places you need.
- Turn on Show formula to see the calculation, then copy or share the result.
Example
1 psi to bar
1 psibar = 1 ÷ 14.50377377 = 0.068948 barCommon use cases
- Tyre pressures in bar, psi and kPa.
- Weather and altitude pressures in hPa (mbar) and atm.
- Hydraulics, pneumatics and diving.
PSI to Bar conversion table
| Pound per square inch (psi) | Bar (bar) |
|---|---|
| 0.1 psi | 0.006895 bar |
| 0.5 psi | 0.034474 bar |
| 1 psi | 0.068948 bar |
| 2 psi | 0.137895 bar |
| 3 psi | 0.206843 bar |
| 4 psi | 0.27579 bar |
| 5 psi | 0.344738 bar |
| 10 psi | 0.689476 bar |
| 15 psi | 1.034214 bar |
| Pound per square inch (psi) | Bar (bar) |
|---|---|
| 20 psi | 1.378951 bar |
| 25 psi | 1.723689 bar |
| 50 psi | 3.447379 bar |
| 75 psi | 5.171068 bar |
| 100 psi | 6.894757 bar |
| 250 psi | 17.236893 bar |
| 500 psi | 34.473786 bar |
| 1,000 psi | 68.947573 bar |
Values rounded to 6 decimal places.
Related conversions
The units
- Pound per square inch (psi)
- 1 lbf/in² ≈ 6,894.757 Pa. Part of the US customary system.
- Bar (bar)
- Exactly 100,000 Pa. Part of the Metric system.
How to convert pounds per square inch to bars
Bike and car tyres, scuba tanks and hydraulic systems specified in psi.
To convert pounds per square inch to bars, use bar = psi ÷ 14.50377377. One pound per square inch equals 0.068948 bars, and one bar equals 14.503774 pounds per square inch.
Pound per square inch (psi): 1 lbf/in² ≈ 6,894.757 Pa. Bar (bar): Exactly 100,000 Pa.
For the opposite direction, use the Bar to PSI converter. All pressure units are on the pressure converter.
Limitations
- Results are rounded to the decimal places you choose; the calculation itself keeps full precision.
Frequently asked questions
How many bars are in a pound per square inch?
1 psi = 0.068948 bar. Multiply pounds per square inch by 0.06894757293 (or use bar = psi ÷ 14.50377377).
How do I convert pounds per square inch to bars?
Use bar = psi ÷ 14.50377377. For example, 1 psi = 0.0689 bar and 10 psi = 0.6895 bar.
How many psi are in a bar?
1 bar = 14.5038 psi.
Is mmHg the same as torr?
Almost: 1 Torr = 133.3224 Pa and 1 mmHg = 133.3224 Pa differ only in the seventh significant digit. For everyday use they're interchangeable.