Pressure Conversion
PSI to Bar Converter
PSI and bar are common pressure units in automotive, plumbing, HVAC, and industrial specifications. The converter uses pascals as the common reference base.
Free Converter
Exact mathPounds per Square Inch → Bar
Enter a value—
PSI to Bar Converter formula
1 psi = 0.0689475729 bar. Multiply the psi value by 0.0689475729 to get bar.
PSI and bar are common pressure units in automotive, plumbing, HVAC, and industrial specifications. The converter uses pascals as the common reference base.
Pounds per Square Inch to Bar conversion table
| Pounds per Square Inch (psi) | Bar (bar) |
|---|---|
| 1 psi | 0.0689 bar |
| 5 psi | 0.3447 bar |
| 10 psi | 0.6895 bar |
| 25 psi | 1.7237 bar |
| 50 psi | 3.4474 bar |
| 100 psi | 6.8948 bar |
How to use this conversion
- Enter the amount in Pounds per Square Inch.
- Confirm Bar is selected as the target unit.
- The result updates instantly; use the swap button to reverse the conversion.
Accuracy and rounding
The underlying conversion uses the stored standard reference factor or built-in formula. Display rounding can be adjusted by the site administrator; for engineering or legal work, retain enough significant digits for your use case.
Conversions are mathematical reference conversions. Regional land units can vary by jurisdiction; use only a locally verified factor for region-dependent units such as bigha.