Pressure Converter

Convert pressure measurements between Pascals, kilopascals, bars, PSI, atmospheres, and millimetres of mercury.

Enter values and click Calculate

Convert Pressure Between Pascal, Bar, PSI, atm, mmHg

Convert pressure between Pascal, Bar, PSI, atm, and mmHg.

Formula

1 bar = 100 kPa = 0.9869 atm = 14.504 psi

How to Use?

  1. Enter the numeric value.
  2. Select the unit you are converting from.
  3. View results in all supported units.

Worked Examples

Convert 1 atm to PSI

Given:inputs
pressureValue:1
pressureValue_unit:atm
Result:calculated
psi:14.696

Common Pressure Units

Pascal (SI), bar (meteorology), PSI (imperial), atmosphere, mmHg (medical).

Table: Pressure Conversion Examples

InputOutput
1 atm101.325 kPa, 1.01325 bar, 14.696 psi, 760 mmHg
1 bar100 kPa, 0.9869 atm, 14.504 psi

FAQs

What is PSI?

Pounds per square inch, common in tyre pressure.

What is standard atmosphere?

1 atm = 101.325 kPa, average pressure at sea level.