Pa · kPa · MPa · bar · atm · PSI · Torr
Free Pressure Converter
Convert pressure units instantly — bar, PSI, Pascal, atmosphere, Torr, kPa, MPa. Type into any field and all others update. Free, symmetrical, no sign-up.
Why symmetrical conversion?
How This Converter Works
Pressure is measured in different units across industries — PSI in the US, bar in Europe, Pascal in science, atmosphere in meteorology. Our converter handles all 8 units simultaneously with symmetrical updating.
Quick reference
Common Conversions
| Pascal (Pa) | Bar | PSI | Atmosphere (atm) |
|---|---|---|---|
| 1 Pa | 0.00001 bar | 0.000145 PSI | 0.00000987 atm |
| 100,000 Pa | 1.0 bar | 14.504 PSI | 0.9869 atm |
| 101,325 Pa | 1.01325 bar | 14.696 PSI | 1.0 atm |
| 6,894.76 Pa | 0.06895 bar | 1.0 PSI | 0.06805 atm |
| 220,632 Pa | 2.2063 bar | 32 PSI | 2.177 atm |
FAQ
Frequently Asked Questions
1How do I convert bar to PSI?
Multiply bar by 14.5038. So 2.2 bar × 14.5038 = 31.9 PSI. For a quick estimate, multiply by 14.5. This is essential for tire pressure conversion between European and US standards.
2What is the difference between 1 bar and 1 atmosphere?
They are very close but not identical. 1 atmosphere = 1.01325 bar. For most everyday purposes they are treated as equivalent, but in precision science the difference matters.
3What pressure unit is used for tire inflation?
PSI (pounds per square inch) in the US, bar in Europe, and kPa in some markets. Most car tires require 30–35 PSI (2.1–2.4 bar) cold pressure.
4What is a Pascal?
The Pascal (Pa) is the SI base unit of pressure, equal to one Newton per square meter (1 N/m²). It is a very small unit — 1 bar = 100,000 Pa — so kilopascals (kPa) and megapascals (MPa) are commonly used.
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