Convert psi to bar
Please provide values below to convert psi [psi] to bar [bar], or Convert bar to psi.
1 psi = 0.0689475729 bar. To convert psi to bar, multiply the value by 0.0689475729; to go the other way, divide by it (1 bar = 14.5037737797 psi). Both units measure pressure and appear in everyday as well as technical calculations, so switching between them quickly is often useful.
Quick Reference
- 1 psi = 0.0689475729 bar
- 1 bar = 14.5037737797 psi
- 10 psi = 0.689475729 bar
- 100 psi = 6.89475729 bar
How to Convert Psi to Bar
1 psi = 0.0689475729 bar
Example: convert 15 psi to bar:
15 psi = 15 × 0.0689475729 bar = 1.0342135935 bar
Psi to Bar Conversion Table
| psi | bar |
|---|---|
| 1 psi | 0.0689475729 bar |
| 2 psi | 0.1378951458 bar |
| 3 psi | 0.2068427187 bar |
| 5 psi | 0.3447378645 bar |
| 10 psi | 0.689475729 bar |
| 20 psi | 1.378951458 bar |
| 50 psi | 3.447378645 bar |
| 100 psi | 6.89475729 bar |
| 500 psi | 34.47378645 bar |
| 1000 psi | 68.9475729 bar |
Psi
Psi (pounds per square inch) is a unit of pressure measurement representing the force of one pound applied to an area of one square inch.
History/Origin
The psi originated in the United States as a customary unit of pressure, commonly used in engineering and industrial applications. It became standardized with the development of the imperial system of units.
Current Use
Psi is widely used today in various fields such as automotive tire pressure, plumbing, and industrial pressure measurements, especially in the United States and other countries using imperial units.
Bar
The bar is a unit of pressure equal to 100,000 pascals, roughly the atmospheric pressure at sea level.
History/Origin
The bar was introduced in 1909 by the British engineering community as a convenient unit for measuring pressure, especially in meteorology and engineering contexts.
Current Use
The bar is widely used in meteorology, engineering, and industrial applications to measure pressure, although the pascal is the SI base unit. It is also common in tire pressure measurements and other pressure-related fields.
Frequently Asked Questions
What is 1 psi in bar?
1 psi (psi) = 0.0689475729 bar (bar).
How do you convert psi to bar?
Multiply the psi value by 0.0689475729. For example, 25 psi × 0.0689475729 = 1.7236893225 bar.
What is 10 psi in bar?
10 psi = 0.689475729 bar.
Which unit is larger, the psi or the bar?
The bar is the larger unit: 1 psi equals only 0.0689475729 bar.