Pound per Square Inch to Bar
Convert psi to bar instantly — free, no sign-up.
—
About the Pound per Square Inch (psi)
The Pound per Square Inch is the standard pressure unit in the US for tire pressure, hydraulics, and plumbing specs.
About the Bar (bar)
The Bar is defined as exactly 100,000 pascals, chosen to be close to average sea-level atmospheric pressure — widely used in Europe for tire pressure and diving.
How to convert psi to bar
- Enter the value in psi in the box above.
- The bar equivalent updates instantly.
- Use the swap button to convert bar back to psi just as easily.