What is the Pressure Converter?
This pressure converter changes a value from one unit to another and also shows the same value in every other unit. It is useful for tyre pressure, weather and engineering.
How to use the Pressure tool
- Enter Value, From and To.
- The result updates instantly as you type, or press Calculate.
- Use Try an example to see how it works, and Reset to start again.
Formula
Value in base unit = value × factor of the "from" unit. Result = base value ÷ factor of the "to" unit.
Worked example
With the defaults shown, the result is 2.20632233 Bar.
Frequently asked questions
How many psi is 1 bar?
One bar is about 14.5038 psi.
What pressure is 1 atmosphere?
101,325 pascals, or about 14.696 psi.
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Checked by Calcovate · Formula tested against worked examples · Updated 9 Nov 2026 · How we check our calculators.