PSI to Bar Converter
Convert pressure values from Pounds per Square Inch (PSI) to Bar with our free online calculator. Get instant, accurate conversions for engineering, industrial, and scientific applications.
Conversion Formula:
Bar = PSI × 0.0689476
Conversion Examples
Common PSI to Bar conversions
| PSI (psi) | Bar (bar) | Context |
|---|---|---|
| 1 | 0.0689 | Very low pressure systems |
| 14.5038 | 1.0000 | Approximately 1 atmosphere |
| 30 | 2.0684 | Typical car tire pressure |
| 100 | 6.8948 | Medium pressure industrial systems |
| 1000 | 68.9476 | High pressure hydraulic systems |
Practical Applications
Automotive Applications
Converting between PSI and Bar is essential for vehicle maintenance, especially when dealing with tire pressure specifications from different manufacturers.
Industrial Processes
Many industrial systems and equipment specify pressure ratings in either PSI or Bar depending on their country of origin, requiring conversion for proper operation.
Scuba Diving
Dive equipment and pressure gauges may use different units depending on where they were manufactured, making conversion necessary for safety.
Scientific Research
When collaborating internationally or publishing research, scientists often need to convert pressure measurements to standardized units.
Frequently Asked Questions about PSI to Bar Conversion
How do I convert PSI to Bar?
To convert PSI to Bar, multiply the PSI value by 0.0689476. For example, 100 PSI equals 6.89476 Bar.
What is the difference between PSI and Bar?
PSI (pound per square inch) is an imperial unit of pressure used primarily in the United States, while Bar is a metric unit used internationally. 1 Bar equals approximately 14.5038 PSI.
Why would I need to convert between PSI and Bar?
Converting between PSI and Bar is common when working with international equipment specifications, tire pressures, hydraulic systems, and when collaborating on engineering projects between countries using different measurement systems.
Is Bar the same as atmospheric pressure?
One bar (1 bar) is very close to atmospheric pressure at sea level, which is approximately 1.01325 bar or 14.7 PSI. This makes bar a convenient unit for expressing pressures relative to atmospheric pressure.