Pressure Converter

Convert pressure units: psi, bar, pascal, kPa, atmosphere, mmHg and inHg.

Pressure Converter
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About the Pressure Converter

Convert pressure for tyres, weather, blood pressure, diving and engineering. The pressure converter includes psi, bar, pascals, kilopascals, atmospheres and millimeters of mercury.

How to Use the Pressure Converter

  1. Enter the pressure.
  2. Choose the units to convert from and to.
  3. Press Calculate.

Formula and How It Works

1 bar = 100,000 Pa, 1 psi = 6,894.76 Pa, 1 atmosphere = 101,325 Pa and 1 mmHg = 133.322 Pa.

Frequently Asked Questions

How many psi is 1 bar?

1 bar is about 14.5 psi.

What is a normal car tyre pressure?

Most cars use 30–35 psi (about 2.1–2.4 bar). Check the label inside the driver’s door.