bar to psi – convert bar to pounds per square inch
Convert bar to psi (bar to pounds per square inch) for tyres, compressors, hydraulics and industrial systems. This page opens the main pressure converter with bar → psi pre-selected.
Open the interactive bar → psi converter:
Use main converter (bar → psi) or switch to psi → barOn the homepage you can also compare with kPa, atm, Pa and mbar values from the same input.
Quick reference: bar to psi
1 bar ≈ 14.5038 psi. Useful points:
| Pressure (bar) | Pressure (psi, approx.) |
|---|---|
| 1.5 bar | 21.76 psi |
| 2.0 bar | 29.01 psi |
| 2.2 bar | 31.91 psi |
| 2.5 bar | 36.26 psi |
| 3.0 bar | 43.51 psi |
| 4.0 bar | 58.02 psi |
Why convert bar to psi?
Typical reasons:
- Using a tyre inflator that reads in psi with a car manual printed in bar.
- Comparing European compressor specs (bar) with US equipment (psi).
- Standardising workshop logs or maintenance sheets across regions.
- Interpreting safety limits that use a different pressure unit.
More pressure converters on this site
bar to psi FAQ
What is the formula for bar to psi?
Multiply bar by 14.5038. Example: 2.3 bar × 14.5038 ≈ 33.36 psi.
Is 2.5 bar safe for car tyres?
It depends on the vehicle. Always follow the pressures printed on the driver’s door frame, fuel cap or owner’s manual.
Can I estimate bar to psi in my head?
A quick rule is bar × 15 ≈ psi. Use this converter for accurate work.
Page last updated: 2 December 2025.