How to convert pounds per square inch to bar
One bar equals exactly 100,000 pascals. One psi is approximately 6,894.757293168 pascals.
Conversion formula
bar = psi × 0.06894757293168
Reverse: psi = bar × 14.503773773
For example, 1 psi = 0.0689 bar.
PSI to Bar conversion chart
Use these common reference values or the interactive calculator above for any number.
| Pounds per square inch (psi) | Bar (bar) |
|---|---|
| 1 psi | 0.0689 bar |
| 10 psi | 0.6895 bar |
| 20 psi | 1.379 bar |
| 25 psi | 1.7237 bar |
| 30 psi | 2.0684 bar |
| 32 psi | 2.2063 bar |
| 35 psi | 2.4132 bar |
| 50 psi | 3.4474 bar |
When is this conversion useful?
Tyre pressure gauges, compressors and engineering references may use psi or bar. This calculator translates between these pressure units.
For tyre inflation or equipment settings, use the manufacturer’s recommended operating pressure. Unit conversion does not determine the safe value for a specific product.
Frequently asked questions
How many bar is 30 psi?
30 psi is approximately 2.0684 bar.
How many psi is 2 bar?
2 bar is approximately 29.0075 psi.