PSI to Bar
1 psi = 0.068948 bar
Convert PSI (psi) to Bar (bar) with engineering-grade precision. Instant results, formula, and reference table below.
1 PSI ≈0.0689475729 Bar
How to convert PSI to Bar (psi to bar)
Converting PSIs to Bars is critical for developers working with international data standards or scientific applications. This tool performs the calculation entirely on your client (browser) using JavaScript/WASM, ensuring zero latency and maximum privacy.
The Formula
1 psi = 0.0689476 bar
Calculation Example
Let's say you want to convert 5 psi to bar:
- Input: 5 psi
- Calculation: 5 × 0.0689476
- Result: 0.3447 bar
About the PSI to Bar conversion
The conversion factor from PSI (psi) to Bar (bar) is 0.068948, meaning 1 psi = 0.068948 bar and inversely 1 bar = 14.50377 psi. That makes the Bar the larger of the two units in the pressure category, where the SI base unit is the pascal. Every ratio here is derived from the SI/international definition rather than a rounded approximation, so results are stable across repeated conversions.
Need the reverse? Use the Bar to PSI converter.
Frequently Asked Questions
How do I convert PSI to Bar?
To convert PSI to Bar, you need to multiply the psi value by 0.0689476.
What is the formula for psi to bar?
The simple formula is: bar = psi × 0.0689476.
Which is bigger: PSI or Bar?
A Bar is bigger. One Bar is equal to approx 14.5038 PSIs.
How many PSIs are in one Bar?
There are approximately 14.5038 PSIs in one Bar.
Quick Conversion Table
| psi | bar |
|---|---|
| 1 | 0.0689 |
| 5 | 0.3447 |
| 10 | 0.6895 |
| 20 | 1.3790 |
| 50 | 3.4474 |
| 100 | 6.8948 |