Convert psi to bar
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What is psi?
The psi is a unit of measurement used across various fields. Understanding this unit and its relationship to bar is essential for accurate conversions in science, engineering, cooking, and everyday life. PSI (pounds per square inch) is the most common pressure unit in the United States, used for tire pressure, hydraulic systems, and industrial applications.
What is bar?
The bar is approximately equal to one atmosphere and is commonly used in meteorology, oceanography, and industrial pressure measurement.
Conversion Formula
bar = psi × 0.068948
Examples:
- 1 psi = 0.0689 bar
- 10 psi = 0.6895 bar
- 100 psi = 6.8948 bar
Conversion Table
| psi | 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 |
| 250 psi | 17.2369 bar |
| 500 psi | 34.4738 bar |
| 1000 psi | 68.9476 bar |
Reverse Conversion
Need to convert the other way? Use our bar to psi converter.
Official Sources & References
Our conversion data is based on internationally recognized standards:
- NIST — SI Pressure Units
- Wikipedia — Pressure Measurement
- Engineering Toolbox — Pressure
- UnitConverters — Pressure
This converter is for informational and educational purposes only. Always verify critical measurements with official standards.