Pound per Square Inch vs Bar: What's the Difference?
| Property | Pound per Square Inch (psi) | Bar (bar) |
|---|---|---|
| Symbol | psi | bar |
| System | Imperial | Métrique (SI) |
| Category | pressure | pressure |
| Used in | United States, United Kingdom | Worldwide |
| Conversion | 1 psi = 0.0689476 bar | |
Definitions
Pound per Square Inch (psi)
La livre par pouce carré (symbole : psi ou lbf/in²) est une unité de pression dans les systèmes impérial et américain. Elle est définie comme la pression exercée par une force d'une livre-force appliquée sur une surface d'un pouce carré. En unités SI, 1 psi équivaut à environ 6 894,757 pascals (6,894757 kilopascals).
Learn more →FAQ
What is the difference between Pound per Square Inch and Bar?
Pound per Square Inch (psi) belongs to the imperial system. Bar (bar) belongs to the metric system. 1 psi = 0.0689476 bar.
How to convert Pound per Square Inch to Bar?
Multiply the value in Pounds per Square Inch by 0.0689476. Formula: bar = psi × 0.0689476.
When should I use Pound per Square Inch vs Bar?
It depends on context. Pound per Square Inch is used in United States, United Kingdom. Bar is used in Worldwide.