Bar to Psi Converter
Enter a value in bar to convert it to pounds per square inch — 1 bar = 14.5038 psi.
Reviewed by the ToolNestr Editorial Team — July 2026
How to convert bar to pounds per square inch
Converting bar to pounds per square inch is a simple multiplication: take your pressure in bar and multiply by the fixed conversion factor of 14.5038 to get pounds per square inch. Because the factor never changes, the same calculation works for any value, from tiny amounts to very large ones. The converter above applies it the moment you type, with no rounding errors in the underlying maths.
Convert a metric pressure in bar into the psi used by many gauges, pumps and US manuals. Knowing how to move between bar and pounds per square inch is useful whenever measurements are given in one system but you need them in the other — for shopping, travel, study, cooking, engineering or simply comparing figures from different countries.
The reference table below lists common bar values already converted to pounds per square inch, so you can read off everyday amounts at a glance without typing. For the opposite direction, use the Psi to Bar Converter, which reverses the calculation exactly.
The formula and a worked example
Formula
psi = bar × 14.5038
Worked example
To convert 10 bar: 10 × 14.5038 = 145.038 psi. To convert 25 bar: 25 × 14.5038 = 362.595 psi.
Bar to Psi conversion table
| Bar (bar) | PSI (psi) |
|---|---|
| 1 | 14.5038 |
| 2 | 29.0076 |
| 5 | 72.519 |
| 10 | 145.038 |
| 25 | 362.595 |
| 50 | 725.19 |
| 100 | 1,450.38 |
| 250 | 3,625.95 |
| 500 | 7,251.9 |
| 1,000 | 14,503.8 |
Values are rounded for display; the converter above keeps full precision.
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Frequently asked questions
How do I convert bar to pounds per square inch?
Multiply the number of bar by 14.5038. For example, 10 bar × 14.5038 = 145.038 psi. The converter above does this automatically.
How many pounds per square inch are in one bar?
There are 14.5038 pounds per square inch in one bar. Multiply by 14.5038 for any amount.
Is this Bar to Psi converter accurate?
Yes. It uses the exact conversion factor of 14.5038, so results are precise. Values shown in the table are rounded for readability.
How do I convert pounds per square inch back to bar?
Divide the pounds per square inch value by 14.5038 to get bar again.