Pounds per Square Inch to Bars (psi to bar) Converter
1 pounds per square inch (psi) = 0.0689476 bars (bar). To convert pounds per square inch to bars, multiply by 0.0689476: 32 psi × 0.0689476 = 2.20632 bar.
Quick facts
- 1 psi = 0.0689476 bar
- 1 bar = 14.5038 psi
- Formula: bar = psi × 0.0689476
- Quick estimate: multiply by about 0.069
How to convert pounds per square inch to bars
- Take the value in pounds per square inch.
- Multiply it by 0.0689476 (the number of bars in one pounds per square inch).
- Round the result to the precision you need.
Worked example (car tyre pressure): 32 psi × 0.0689476 = 2.20632 bar.
To convert bars back to pounds per square inch, multiply by 14.5038, or divide by 0.0689476.
Source: NIST SP 811 (2008), Appendix B.
Pounds per Square Inch to Bars conversion table
| Pounds per Square Inch [psi] | Bars [bar] |
|---|---|
| 0.01 psi | 0.0006894757 bar |
| 0.1 psi | 0.0068947573 bar |
| 1 psi | 0.0689475729 bar |
| 2 psi | 0.1378951459 bar |
| 3 psi | 0.2068427188 bar |
| 5 psi | 0.3447378647 bar |
| 10 psi | 0.6894757293 bar |
| 20 psi | 1.3789514586 bar |
| 50 psi | 3.4473786466 bar |
| 100 psi | 6.8947572932 bar |
| 1000 psi | 68.9475729317 bar |
psi to bar chart from 1 to 100
- 1 psi 0.0689476 bar
- 2 psi 0.137895 bar
- 3 psi 0.206843 bar
- 4 psi 0.27579 bar
- 5 psi 0.344738 bar
- 6 psi 0.413685 bar
- 7 psi 0.482633 bar
- 8 psi 0.551581 bar
- 9 psi 0.620528 bar
- 10 psi 0.689476 bar
- 11 psi 0.758423 bar
- 12 psi 0.827371 bar
- 13 psi 0.896318 bar
- 14 psi 0.965266 bar
- 15 psi 1.03421 bar
- 16 psi 1.10316 bar
- 17 psi 1.17211 bar
- 18 psi 1.24106 bar
- 19 psi 1.31 bar
- 20 psi 1.37895 bar
- 25 psi 1.72369 bar
- 30 psi 2.06843 bar
- 35 psi 2.41317 bar
- 40 psi 2.7579 bar
- 45 psi 3.10264 bar
- 50 psi 3.44738 bar
- 55 psi 3.79212 bar
- 60 psi 4.13685 bar
- 65 psi 4.48159 bar
- 70 psi 4.82633 bar
- 75 psi 5.17107 bar
- 80 psi 5.51581 bar
- 85 psi 5.86054 bar
- 90 psi 6.20528 bar
- 95 psi 6.55002 bar
- 100 psi 6.89476 bar
Bars to Pounds per Square Inch conversion table
| Bars [bar] | Pounds per Square Inch [psi] |
|---|---|
| 0.01 bar | 0.1450377377 psi |
| 0.1 bar | 1.4503773773 psi |
| 1 bar | 14.503773773 psi |
| 2 bar | 29.007547546 psi |
| 3 bar | 43.5113213191 psi |
| 5 bar | 72.5188688651 psi |
| 10 bar | 145.0377377302 psi |
| 20 bar | 290.0754754604 psi |
| 50 bar | 725.188688651 psi |
| 100 bar | 1450.3773773021 psi |
| 1000 bar | 14503.7737730209 psi |
Pounds per Square Inch vs Bars
| Pounds per Square Inch | Bar | |
|---|---|---|
| Symbol | psi | bar |
| Equals | 1 psi = 0.0689476 bar | 1 bar = 14.5038 psi |
What is a pounds per square inch?
Force in pounds applied over one square inch. Used in the US for tire pressure and hydraulic systems.
What is a bar?
Approximately equal to atmospheric pressure at sea level. Used in meteorology and for tire and hydraulic pressure.
Frequently asked questions
How many bars are in a pounds per square inch?
There are 0.0689476 bars in 1 pounds per square inch (1 psi = 0.0689475729 bar).
How many pounds per square inch are in a bar?
There are 14.5038 pounds per square inch in 1 bar (1 bar = 14.503773773 psi).
How do I convert pounds per square inch to bars?
Multiply the number of pounds per square inch by 0.0689476. For example, 10 psi × 0.0689476 = 0.689476 bar. To convert back, multiply by 14.5038.
What is 10 psi in bars?
10 psi = 0.689476 bar.
What is 100 psi in bars?
100 psi = 6.89476 bar.
Is the conversion exact?
Yes. The factor comes from the official definitions of both units (NIST SP 811 (2008), Appendix B). Results are shown to up to 10 decimal places; round them to suit your purpose.
Related conversions
Popular pressure conversions
- Bars to Pounds per Square Inch
- Pounds per Square Inch to Kilopascals
- Kilopascals to Pounds per Square Inch
- Atmospheres to Pounds per Square Inch
- Atmospheres to Bars
- Millimeters of Mercury to Kilopascals
- Bars to Kilopascals
- Bars to Pascals
- Pounds per Square Inch to Pascals
Convert pounds per square inch to other units
- Pounds per Square Inch to Pascals
- Pounds per Square Inch to Kilopascals
- Pounds per Square Inch to Atmospheres
- Pounds per Square Inch to Torr
- Pounds per Square Inch to Millimeters of Mercury
Convert other units to bars
Open the full pressure converter with every unit →