Pressure Converter Online Free
Convert pressure units instantly. Switch between pascal, kilopascal, bar, PSI, atmosphere, torr, mmHg, inHg and more.
Convert Pressure
1 bar = 100,000 Pa
1 psi = 6,894.757 Pa
1 torr = 133.322 Pa
Result
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How to Use the Pressure Converter
Convert pressure units in three simple steps.
1. Enter pressure
Type the pressure value you want to convert.
2. Choose units
Select the original pressure unit and the target unit.
3. View result
See the converted value and common pressure equivalents instantly.
Fast pressure conversion for science, tires and engineering.
This Pressure Converter helps students, mechanics, engineers, weather readers and professionals convert pressure units quickly with accurate browser-based calculations.
You can convert pascal, kilopascal, megapascal, bar, millibar, PSI, atmosphere, torr, mmHg, inHg and other common pressure units directly in your browser.
What is a pressure converter?
A pressure converter changes pressure values from one unit to another, such as PSI to bar, bar to pascal or atmosphere to mmHg.
It is useful for tire pressure, science, weather, engineering, HVAC, diving, laboratory calculations, hydraulics and mechanical work.
When should you use it?
- Converting PSI to bar
- Changing bar to PSI
- Working with pascal, kPa and MPa
- Checking atm, torr, mmHg and inHg
- Comparing tire, weather or engineering pressure units
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Pressure Converter FAQ
Common questions about converting pressure units.
How do I convert PSI to bar?
Multiply PSI by 0.0689476. For example, 30 PSI equals about 2.06843 bar.
How many pascals are in one bar?
One bar equals exactly 100,000 pascals.
How many pascals are in one atmosphere?
One standard atmosphere equals exactly 101,325 pascals.
Does this converter use a backend?
No. All pressure conversions run directly in your browser with HTML, CSS and JavaScript.
Can I convert bar to PSI?
Yes. Select bar as the original unit and PSI as the target unit to convert instantly.
What is mmHg?
mmHg means millimeters of mercury, a pressure unit commonly used in medicine, weather and science.
Can I copy the pressure conversion result?
Yes. Click Copy Result to copy the current pressure conversion.
Does it work on mobile?
Yes. This pressure converter works on desktop, tablet and mobile browsers.