Pressure Converter (PSI, Bar, Pascal, Atm & mmHg)
Convert fluid and pneumatic pressure across PSI, Bar, Pascals, Atmospheres, and mmHg.
TL;DR: Pressure Converter provides accurate thermodynamic pressure conversions between Pascals (Pa), Kilopascals (kPa), Bar, PSI, Standard Atmospheres (atm), and Torr/mmHg.
Convert to All Pressure Converter Units at Once
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Reference Conversion Table
| Bar (bar) | Pounds per Sq Inch (psi) |
|---|---|
| 1 bar | 14.503774 psi |
| 2 bar | 29.007548 psi |
| 5 bar | 72.518869 psi |
| 10 bar | 145.037738 psi |
| 20 bar | 290.075475 psi |
| 50 bar | 725.188689 psi |
| 100 bar | 1,450.377377 psi |
| 250 bar | 3,625.943443 psi |
| 500 bar | 7,251.886887 psi |
| 1,000 bar | 14,503.773773 psi |
How Do You Convert PSI to Bar and Pascals?
To convert PSI (pounds per square inch) to Bar, multiply PSI by 0.0689476 (1 Bar = 14.5038 PSI). To convert PSI to Pascals (Pa), multiply PSI by 6,894.76 (1 PSI = 6,894.757 Pa). Standard atmospheric pressure (1 atm) equals 1.01325 Bar, 14.6959 PSI, or 101,325 Pa.
How to Use the Pressure Converter
Our Pressure Converter performs high-precision mathematical operations directly in your browser with zero latency and complete client-side privacy.
- Enter the numerical pressure measurement.
- Select your source pressure unit (e.g., PSI, Bar, Pa, kPa, MPa, atm, mmHg, Torr).
- Select the desired output pressure unit.
- Review the multi-unit conversion breakdown and atmospheric equivalents.
- Copy converted pressure for tire pressure, scuba diving tanks, HVAC, or hydraulic systems.
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All calculations, amortization schedules, variables, and sensitive numerical datasets execute 100% locally in your web browser memory. Your financial, medical, and personal values are never transmitted, logged, or uploaded to any external server.
Frequently Asked Questions
- Divide PSI by 14.5038 (or multiply by 0.0689476): `Bar = PSI × 0.0689476`. For example, 32 PSI equals 2.206 Bar.
- Standard atmospheric pressure at sea level (1 atm) equals 101,325 Pascals (101.325 kPa), 1.01325 Bar, 14.6959 PSI, or 760 mmHg (Torr).
- There are exactly 100,000 Pascals (100 kPa or 0.1 MPa) in 1 Bar of pressure.
- mmHg is primarily used in medicine for blood pressure measurement (e.g., 120/80 mmHg) and in barometric weather reporting.
- Gauge pressure (psig) measures pressure relative to ambient atmospheric pressure, whereas absolute pressure (psia) measures pressure relative to a perfect vacuum (Absolute = Gauge + Atmospheric).
- 1 standard atmosphere (1 atm) equals exactly 101,325 Pascals (101.325 kPa or 14.6959 psi).
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