Bar to Psi Converter
1 bar = 14.5038 psi.
Enter a value
Result
1 bar =
14.5038 psi
1 bar × 14.5038 = 14.5038 psi
1 atm = 101,325 Pa · 1 bar = 100,000 Pa
The working
- 1. Convert 1 bar to pascals: 1 × 100,000 = 100,000.
- 2. Convert to psi: 100,000 ÷ 6,894.76 = 14.5038.
1 bar in every unit
Common pressures
- Car tyre
- 2.2 bar (32 psi)
- Road bike tyre
- 6-8 bar
- Sea-level air pressure
- 1,013 mbar
- Normal blood pressure
- 120/80 mmHg
Conversion table
Bar to Psi
| Bar | Psi |
|---|---|
| 0.5 | 7.2519 |
| 1 | 14.504 |
| 1.5 | 21.756 |
| 2 | 29.008 |
| 2.2 | 31.908 |
| 2.5 | 36.259 |
| 3 | 43.511 |
| 4 | 58.015 |
| 5 | 72.519 |
| 9 | 130.53 |
| 10 | 145.04 |
| 15 | 217.56 |
| 200 | 2,900.8 |
| 300 | 4,351.1 |
Psi to Bar
| Psi | Bar |
|---|---|
| 0.5 | 0.034474 |
| 1 | 0.068948 |
| 1.5 | 0.10342 |
| 2 | 0.1379 |
| 2.2 | 0.15168 |
| 2.5 | 0.17237 |
| 3 | 0.20684 |
| 4 | 0.27579 |
| 5 | 0.34474 |
| 9 | 0.62053 |
| 10 | 0.68948 |
| 15 | 1.0342 |
| 200 | 13.79 |
| 300 | 20.684 |
Formula and worked example
psi = bar × 14.50377377 (1 bar is exactly 100 kPa; 1 psi is about 6.894757 kPa).
Convert 2.5 bar to psi: 2.5 × 14.503774 = 36.2594 psi.
When you need this
Converting European tyre pressures, espresso machine pressures (9 bar) and dive tank ratings into psi.
Questions people ask
How many psi are in a bar?
One bar is 14.503774 psi. 1 bar is exactly 100 kPa.
How do I convert bar to psi?
Multiply the number of bar by 14.503774.
What is 4 bar in psi?
4 bar is 58.0151 psi.
How do I convert psi back to bar?
Multiply by 0.068947573: one psi is 0.068947573 bar.
Related conversions
How we calculate this
We use the standard published formula or definition for this calculation, and we show the working so you can check it. Source: NIST Special Publication 811, Guide for the Use of the International System of Units.
Spotted a mistake? Tell us and we'll check it. How we check our calculators