Pressure Converter
Convert between pressure units
How to Use
1
Enter a value
Input the pressure value you want to convert.
2
Select source unit
Choose the unit you are converting from (e.g., bar, psi, atm, pascal).
3
View all conversions
See the equivalent value in all other pressure units instantly.
4
Copy any value
Click on any conversion result to copy it to your clipboard.
Frequently Asked Questions
What is atmospheric pressure?
1 atmosphere (atm) is the average air pressure at sea level: 101.325 kPa, 14.696 psi, or 760 mmHg.
What is psi used for?
PSI (pounds per square inch) is commonly used in the US for tire pressure, air compressors, and hydraulic systems.
What is bar pressure?
Bar is a metric unit almost equal to 1 atmosphere. 1 bar = 100 kPa = 14.504 psi.
What is mmHg used for?
mmHg (millimeters of mercury) is used for blood pressure and barometric pressure. Normal blood pressure is about 120/80 mmHg.