Psi to Bar Converter
1 psi = 0.0689476 bar.
Enter a value
Result
1 pound per square inch =
0.0689476 bar
1 psi × 0.0689476 = 0.0689476 bar
1 atm = 101,325 Pa · 1 bar = 100,000 Pa
The working
- 1. Convert 1 psi to pascals: 1 × 6,894.76 = 6,894.76.
- 2. Convert to bar: 6,894.76 ÷ 100,000 = 0.0689476.
1 psi 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
Psi to Bar
| Psi | Bar |
|---|---|
| 10 | 0.68948 |
| 15 | 1.0342 |
| 20 | 1.379 |
| 25 | 1.7237 |
| 30 | 2.0684 |
| 32 | 2.2063 |
| 35 | 2.4132 |
| 40 | 2.7579 |
| 50 | 3.4474 |
| 60 | 4.1369 |
| 80 | 5.5158 |
| 100 | 6.8948 |
| 150 | 10.342 |
| 200 | 13.79 |
| 3,000 | 206.84 |
Bar to Psi
| Bar | Psi |
|---|---|
| 10 | 145.04 |
| 15 | 217.56 |
| 20 | 290.08 |
| 25 | 362.59 |
| 30 | 435.11 |
| 32 | 464.12 |
| 35 | 507.63 |
| 40 | 580.15 |
| 50 | 725.19 |
| 60 | 870.23 |
| 80 | 1,160.3 |
| 100 | 1,450.4 |
| 150 | 2,175.6 |
| 200 | 2,900.8 |
| 3,000 | 43,511 |
Formula and worked example
bar = psi × 0.06894757293 (1 psi is about 6.894757 kPa; 1 bar is exactly 100 kPa).
Convert 32 psi to bar: 32 × 0.068947573 = 2.20632 bar.
When you need this
Tyre pressures, pressure washers, scuba tanks and compressors are rated in psi in the US and in bar in Europe. A typical car tyre at 32 psi is about 2.2 bar.
Questions people ask
How many bar are in a psi?
One psi is 0.068947573 bar. 1 psi is about 6.894757 kPa.
How do I convert psi to bar?
Multiply the number of psi by 0.068947573, or divide by 14.503774.
What is 40 psi in bar?
40 psi is 2.7579 bar.
How do I convert bar back to psi?
Multiply by 14.503774: one bar is 14.503774 psi.
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