PSI to Bar Converter
32 PSI = 2.21 bar
Translate pressure measurements between Imperial and Metric systems with our PSI to Bar Converter. In mechanical engineering, automotive maintenance, and industrial hydraulics, switching between these two standards is a daily requirement for safety and specification compliance.
While PSI (Pounds per Square Inch) is the dominant unit in the United States, Bar is widely used across Europe and in specialized high-pressure technical applications. Our tool provides precision to multiple decimal places for engineering-grade reliability.
Pressure Conversion Formula
Imperial to Metric
bar = PSI × 0.06895
Standard conversion for tire pressure and pneumatics.
Metric to Imperial
PSI = bar × 14.5038
Used for hydraulic systems and compressor settings.
Understanding Pressure Scales
The Bar is a metric unit of pressure, but not part of the SI system. It is defined as exactly 100,000 Pascals (Pa). Crucially, 1 bar is very close to standard atmospheric pressure at sea level (1.01325 bar).
1 bar = 100,000 Pa = 100 kPaPSI measures the force of one pound-force applied to an area of one square inch. It is the primary unit for pressure in the United States and remains the global standard for aerospace and many automotive contexts.
1 PSI ≈ 6894.76 PascalsTechnical Applications
Maintaining precision in pressurized systems.
Automotive
Convert tire pressure specs between domestic (PSI) and international (Bar) manufacturer standards.
Hydraulics
Calculate pump output and valve settings for heavy machinery and industrial fluid systems.
Pneumatics
Monitor air compressor tank pressures and tool requirements for manufacturing lines.
HVAC Systems
Determine refrigerant charge levels and system pressure testing for commercial cooling.
Pressure Reference Chart
| PSI (lbf/in²) | Bar (100 kPa) | Typical Context |
|---|---|---|
| 1 PSI | 0.069 bar | Standard Low Pressure |
| 14.5 PSI | 1 bar | Atmospheric Pressure |
| 32 PSI | 2.2 bar | Standard Car Tire |
| 100 PSI | 6.89 bar | Industrial Air Line |
| 3000 PSI | 206.84 bar | Hydraulic System |
Our PSI to Bar Converter is an essential utility for anyone navigating international technical standards. By providing bidirectional precision across Metric and Imperial scales, it ensures that your pressure-critical tasks are completed with absolute accuracy.