Pressure Converter
Easily convert between common pressure units like PSI, bar, Pa, atm, and mmHg for automotive, industrial, and scientific use.
| PSI | Bar |
|---|---|
| 1 | 0.06895 |
| 5 | 0.34474 |
| 10 | 0.68948 |
| 14.5 | 0.99974 |
| 20 | 1.37895 |
| 50 | 3.44738 |
| 100 | 6.89476 |
| 200 | 13.78951 |
Understanding Pressure 🌍
Pressure measures the force applied over a unit area and is a fundamental concept in physics, engineering, meteorology, and medicine.
This converter lets you easily switch between common pressure units like PSI, bar, Pa, atm, and mmHg for automotive, industrial, and scientific applications.
Key Facts
- Pascals (Pa) and kilopascals (kPa) are standard SI units used in physics, engineering, and research.
- Bar is commonly used in hydraulic, pneumatic, and industrial systems.
- PSI is popular in the US for automotive tires, pumps, and general applications.
- Atmospheres (atm) are used in meteorology, chemistry, and high-altitude calculations.
- Millimeters of Mercury (mmHg) are widely used in medicine (blood pressure) and barometers.
Formulas
1 bar ≈ 100 kPa ≈ 14.5 PSI- Quick reference for bar to kPa and PSI.1 atm ≈ 101.3 kPa ≈ 1.013 bar- Standard atmospheric pressure at sea level.1 mmHg ≈ 133.3 Pa- Convert mmHg to Pascals.
Pressure Conversion Examples
- Car tire: 32 PSI ≈ 2.21 bar ≈ 221 kPa
- Weather barometer: 760 mmHg ≈ 1 atm ≈ 101.3 kPa
- Hydraulic system: 10 bar ≈ 145 PSI
- Vacuum lab setup: 0.5 atm ≈ 50.65 kPa
FAQs
Why are there so many pressure units?
Different units evolved for various applications: SI for science, bar/PSI for industrial systems, atm for atmospheric studies, mmHg for medical and meteorology.
How do I quickly convert bar to PSI?
Multiply bar by 14.5 to get PSI approximately.
Which unit should I use?
Use SI units (Pa/kPa) for scientific work, bar for industrial systems, PSI for US automotive, and mmHg for medical contexts.