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Pressure Converter

Convert pressure between pascals, kilopascals, bar, psi, atmospheres, and mmHg (torr). Type in any field to update all others instantly.

Converter Tools Runs locally No data sent
PabarpsiatmmmHgbrowser only
Pressure
Pascals
Pa
Kilopascals
kPa
Bar
bar
PSI
psi
Atmospheres
atm
mmHg (Torr)
mmHg
Quick examples
Pressure reference
ReferencePapsiatm
Atmospheric pressure (sea level)10132514.6961
Car tyre (typical)220632322.18
Bicycle tyre (road)6894761006.8
Scuba tank (full)206842713000204

What is a Pressure Converter?

A pressure converter translates a force-per-area measurement between unit systems. The SI unit is the pascal (Pa = N/m2). Common derived units include kilopascal (kPa), bar (100,000 Pa), and standard atmosphere (101,325 Pa). PSI (pounds per square inch) is used in the US for tyres and industrial systems. mmHg (torr) is used in medicine and meteorology.

How to Use Pressure Converter

  1. Type a pressure value into any field (Pa, kPa, bar, psi, atm, or mmHg).
  2. All other fields update instantly.
  3. Use quick example buttons to load common reference pressures.
  4. Click Clear to reset all fields.

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Pressure Unit Systems ▾
Example
Input 1 atm
Output 101325 Pa / 1.01325 bar / 14.696 psi / 760 mmHg
Common Use Cases
  • Tyre and bicycle pump pressure conversions
  • Weather barometric pressure reading
  • Medical blood pressure values
  • Engineering and industrial system pressures
Frequently Asked Questions
How many Pa in 1 bar?

1 bar = 100,000 Pa (exactly).

How many psi is 1 atm?

1 atm = 14.696 psi.

What is standard atmospheric pressure?

Standard atmospheric pressure is 101,325 Pa = 1 atm = 14.696 psi = 760 mmHg.

What is mmHg used for?

mmHg (millimeters of mercury) is used in medicine for blood pressure and in meteorology for barometric pressure. 1 mmHg = 133.322 Pa.