Bar to Psi Converter
Convert bar to pound per square inch instantly. Type a value below — the result updates as you type.
When you need to convert bar to pound per square inch
Pressure conversions are used for tyre inflation, weather readings, scuba and industrial gauges, and HVAC work, where gauges and manuals may be calibrated in different units.
Tyre pressures, bike pumps and pressure washers may be labelled in psi or bar depending on the brand.
Typical values: 0.5 bar is about 7.2519 psi, and 100 bar works out to roughly 1450.38 psi. Because the ratio is fixed at 14.5038, you can scale any amount linearly — doubling the bar doubles the psi.
A single tyre or gauge spec is often printed in two or three pressure units side by side for international use.
How to convert bar to pound per square inch
One bar equals 14.5038 psi. To convert, multiply the number of bar by 14.5038:
psi = bar × 14.5038
For example, 10 bar × 14.5038 = 145.0377 psi.
Bar to psi conversion table
| Pressure (bar) | Psi (psi) |
|---|---|
| 1 bar | 14.5038 psi |
| 2 bar | 29.0075 psi |
| 3 bar | 43.5113 psi |
| 5 bar | 72.5189 psi |
| 10 bar | 145.0377 psi |
| 20 bar | 290.0755 psi |
| 50 bar | 725.1887 psi |
| 100 bar | 1450.38 psi |
FAQ
How many psi are in a bar?
One bar = 14.5038 psi.
How do I convert psi back to bar?
Divide by 14.5038, or use the psi to bar converter.