Pounds per Square Inch to Bars Converter
Convert pounds per square inch to bars instantly. Type a value, change either unit, or press swap to go the other way. 1 pound per square inch = 0.068947573 bars.
1 pound per square inch = 0.068947573 bars
How to convert pounds per square inch to bars
bars = pounds per square inch × 0.0689475729
To convert pounds per square inch to bars, multiply the value by 0.0689475729. To go back from bars to pounds per square inch, divide by the same number (or multiply by 14.50377377).
Worked examples
- 20 psi: 20 × 0.0689475729 = 1.3789515 bar
- 30 psi: 30 × 0.0689475729 = 2.0684272 bar
- 32 psi: 32 × 0.0689475729 = 2.2063223 bar
Divide psi by 14.5. A rule of thumb: 30 psi is about 2 bar and 15 psi is about 1 bar.
Pounds per Square Inch to Bars conversion table
Pounds per Square Inch to Bars
| psi | bar |
|---|---|
| 10 | 0.68947573 |
| 14.5 | 0.99973981 |
| 20 | 1.3789515 |
| 30 | 2.0684272 |
| 32 | 2.2063223 |
| 35 | 2.4131651 |
| 40 | 2.7579029 |
| 50 | 3.4473786 |
| 80 | 5.5158058 |
| 120 | 8.2737088 |
Bars to Pounds per Square Inch
| bar | psi |
|---|---|
| 10 | 145.03774 |
| 14.5 | 210.30472 |
| 20 | 290.07548 |
| 30 | 435.11321 |
| 32 | 464.12076 |
| 35 | 507.63208 |
| 40 | 580.15095 |
| 50 | 725.18869 |
| 80 | 1,160.3019 |
| 120 | 1,740.4529 |
Pressure equivalents
See how one pound per square inch and one bar compare with every other pressure unit on the site.
1 pound per square inch equals
| Unit | Value |
|---|---|
| pascals (Pa) | 6,894.757 |
| kilopascals (kPa) | 6.894757 |
| bars (bar) | 0.06894757 |
| standard atmospheres (atm) | 0.06804596 |
| millimeters of mercury (mmHg) | 51.71493 |
1 bar equals
| Unit | Value |
|---|---|
| pascals (Pa) | 100,000 |
| kilopascals (kPa) | 100 |
| pounds per square inch (psi) | 14.50377 |
| standard atmospheres (atm) | 0.9869233 |
| millimeters of mercury (mmHg) | 750.0616 |
When you need to convert pounds per square inch to bars
US tire gauges, compressors and sprayers use psi, but many European manuals and gauges use bar. Converting helps you set the right pressure when you buy equipment from overseas or travel with a bike or car.
About the units
Pound per square inch (psi)
Psi is the pressure from one pound-force on one square inch, about 6,894.76 pascals. It is the standard for tires and air tools in the US.
Bar (bar)
A bar is exactly 100,000 pascals, close to atmospheric pressure at sea level. It is used for tires, diving and industrial gauges.
Frequently asked questions
How do I convert pounds per square inch to bars?
Multiply the number of pounds per square inch by 0.0689475729. For example, 10 pounds per square inch × 0.0689475729 = 0.6894757293 bars.
How many bars are in one pound per square inch?
There are 0.0689475729 bars in one pound per square inch.
How many pounds per square inch are in one bar?
There are 14.50377377 pounds per square inch in one bar.
What is 35 psi in bar?
35 psi is 2.413 bar. A road-bike tire at 100 psi equals 6.9 bar.
Can I convert other pressure units with this tool?
Yes. Use the From and To drop-downs in the converter to choose any pressure unit, or press the swap button to reverse the conversion. All calculations use internationally defined conversion factors.