What is the psi to bar Converter?
This tool converts Pound per Square Inch (psi) to Bar (bar) quickly and accurately. Whether you work with tire pressure, hydraulic systems, or scientific measurements, it delivers instant results as you type.
Who Uses This Conversion?
Engineers
Automotive technicians
Scientists
HVAC professionals
Students
How to Use
Enter the psi value
Type your number into the first input field.
View the bar result
The converted value appears instantly in the second field.
Copy the result
Use the copy button to send the value to your clipboard.
Reverse Conversion
Need to go from bar back to psi? Click the swap button (↔) to reverse the direction, or simply type into the bar field. To convert back: psi = bar × 14.5038.
Tips for Accurate Conversions
- Use decimal points for precise values (e.g. 14.7 instead of 15).
- Large numbers are automatically formatted with thousand separators.
- Results update instantly as you type — no convert button needed.
Features
Instant Conversion
Results appear as you type, using precise conversion factors for accurate output.
Bidirectional Input
Type in either field and the other updates automatically, in whichever direction you need.
Copy Results
Click the copy button beside any value to reuse it in documents, emails, or apps.
Quick Reference Table
See common psi-to-bar values at a glance for fast lookups.
Unit Flexibility
Switch units with the dropdowns — Pascal, Bar, PSI, Atmosphere, Torr, mmHg and many more.
Mobile Friendly
Works on desktop, tablet, and phone, so you can convert pressure anywhere.
Common Conversions
Use this table for quick psi-to-bar lookups without typing.
| psi | bar |
|---|---|
| 1 psi | 0.0689 bar |
| 5 psi | 0.3447 bar |
| 10 psi | 0.6895 bar |
| 20 psi | 1.38 bar |
| 50 psi | 3.45 bar |
| 100 psi | 6.89 bar |
Understanding the Units
Pound per Square Inch (psi)
Bar (bar)
Frequently Asked Questions
How do I convert psi to bar?
To convert Pound per Square Inch to Bar, multiply the psi value by 0.068948. For example, 1 psi = 0.068948 bar.
What is the formula for psi to bar?
The conversion formula is: bar = psi × 0.068948. Conversely, to convert back: psi = bar × 14.5038.
What is Pound per Square Inch (psi)?
Common pressure unit in the United States. Used for tire pressure, hydraulic systems, and industrial applications.
What is Bar (bar)?
Metric unit of pressure close to atmospheric pressure. Widely used in Europe for tire pressure and industrial applications.
Is this converter accurate?
Yes. The converter uses internationally recognized conversion factors with high precision, suitable for engineering and scientific work.
Can I convert other pressure units?
Yes. Use the dropdown menus to pick from many pressure units, including Pascal (Pa), Bar, PSI, Atmosphere (atm), Torr, mmHg and more.
Does this work offline?
Once the page has loaded, all calculations run in your browser. You only need an internet connection for the initial page load.
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