Pressure Converter
Convert between different pressure units instantly. Accurate conversions for pascal, bar, psi, atmosphere, torr, mmHg, ksi, MPa, and more.
Enter Pressure
Pressure Value
1
Enter the pressure value to convert (0 to 1000)
From Unit
Bar (bar)
Select the unit to convert from
To Unit
Pounds per Square Inch (psi)
Select the unit to convert to
Common Conversions
Quick Convert
Quickly convert common pressure units
1
Bar
(bar)
14.5038
PSI
(psi)
1 bar = 14.5038 psi
Conversion Rate
1 psi = 0.0689476 bar
Inverse Rate
All Units Conversion
Real World Pressure Examples
1 bar is approximately atmospheric pressure at sea level
Recent Conversions
Pressure Units Explained
Metric System
- Pascal (Pa): SI unit of pressure
- Kilopascal (kPa): 1000 pascals
- Bar (bar): 100,000 pascals
- Millibar (mbar): 1/1000 of a bar
Used worldwide in science and engineering
Imperial System
- PSI (psi): Pounds per square inch
- KSI (ksi): Kilopounds per square inch
- Inch of Mercury (inHg): Used in aviation
- Foot of Water (ftH₂O): Used in plumbing
Primarily used in the United States
Atmospheric Units
- Atmosphere (atm): Standard atmospheric pressure
- Technical Atmosphere (at): 1 kgf/cm²
- Torr (Torr): 1/760 of an atmosphere
- mmHg: Millimeter of mercury
Used in meteorology and medicine
Specialized Units
- Megapascal (MPa): Used in material science
- Gigapascal (GPa): Used in geology
- Poundal per square foot: Rare imperial unit
- Barye: CGS unit of pressure
Used in specific scientific fields
About Pressure Conversion
The Pressure Converter helps you convert between different pressure measurement units used in engineering, science, meteorology, and industry. Whether you're working with tire pressure, hydraulic systems, or atmospheric data, this tool provides accurate conversions instantly.
Common Conversion Formulas
Bar to PSI
1 bar = 14.5038 psi
Formula: psi = bar × 14.5038
PSI to Bar
1 psi = 0.0689476 bar
Formula: bar = psi × 0.0689476
Atmosphere to Pascal
1 atm = 101,325 Pa
Formula: Pa = atm × 101,325
mmHg to PSI
1 mmHg = 0.0193368 psi
Formula: psi = mmHg × 0.0193368
Practical Applications
Automotive & Tires
- Tire pressure monitoring
- Fuel system pressure
- Brake hydraulic pressure
- Air conditioning systems
Industrial & Manufacturing
- Hydraulic system pressure
- Pneumatic tool pressure
- Boiler and steam pressure
- Compressed air systems
Medical & Healthcare
- Blood pressure monitoring
- Respiratory equipment
- Medical gas systems
- Sterilization equipment
Meteorology & Aviation
- Atmospheric pressure
- Barometric pressure
- Altimeter settings
- Weather forecasting
Conversion Examples
| From | To | Value | Result | Formula |
|---|---|---|---|---|
| 2 Bar | PSI | 2 bar | 29.0076 psi | 2 × 14.5038 |
| 30 PSI | Bar | 30 psi | 2.06843 bar | 30 × 0.0689476 |
| 1 Atmosphere | Pascal | 1 atm | 101,325 Pa | 1 × 101,325 |
| 760 mmHg | PSI | 760 mmHg | 14.696 psi | 760 × 0.0193368 |
| 100 kPa | Bar | 100 kPa | 1 bar | 100 × 0.01 |