Pressure Converters
Pressure and Vacuum Unit Calculators
Convert pressure units across automotive, industrial pneumatic, meteorological, and scientific engineering applications. Easily match tire gauge ratings, scuba air cylinders, and laboratory vacuum gauges.
Supported Units of Pressure
- Metric / SI Units: Pascals (Pa), Kilopascals (kPa), Bar (bar)
- Imperial Units: Pounds per Square Inch (PSI)
- Atmospheric & Medical: Standard Atmospheres (atm), Millimeters of Mercury / Torr (mmHg)
Popular Pressure Conversions
| Conversion Pair | Standard Ratio | Application |
|---|---|---|
| PSI to Bar | 1 psi ≈ 0.068948 bar | Car and bicycle tire pressures, espresso machines |
| Bar to PSI | 1 bar ≈ 14.5038 psi | Industrial air compressors, hydraulic systems |
| Atmospheres to PSI | 1 atm = 14.6959 psi | Scuba diving depths, meteorology |
| Kilopascals to PSI | 1 kPa ≈ 0.145038 psi | HVAC systems, engine turbo boost monitoring |
Frequently Asked Questions
What is normal atmospheric pressure at sea level?
Standard atmospheric pressure (1 atm) is equal to 101.325 kPa, 1.01325 bar, or 14.696 psi.
How many bar is 32 PSI in car tires?
32 PSI equals approximately 2.21 bar.