Bar to psi
1 bar = 14.5 psi
For any other value: psi = bar × 14.503773773
Calculator
14.5 psi
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You can leave the unit in: 100 bar is fine.
Bar to psi chart
The values people look up most.
| bar | psi |
|---|---|
| 1 bar | 14.5 psi |
| 2 bar | 29.01 psi |
| 3 bar | 43.51 psi |
| 5 bar | 72.52 psi |
| 2.5 bar | 36.26 psi |
| 6 bar | 87.02 psi |
| 10 bar | 145.04 psi |
| 4 bar | 58.02 psi |
| 7 bar | 101.53 psi |
| 8 bar | 116.03 psi |
| 20 bar | 290.08 psi |
| 1.5 bar | 21.76 psi |
| 200 bar | 2900.75 psi |
| 9 bar | 130.53 psi |
| 300 bar | 4351.13 psi |
| 25 bar | 362.59 psi |
| 250 bar | 3625.94 psi |
| 30 bar | 435.11 psi |
| 100 bar | 1450.38 psi |
| 3.5 bar | 50.76 psi |
| 16 bar | 232.06 psi |
| 1.1 bar | 15.95 psi |
| 50 bar | 725.19 psi |
| 40 bar | 580.15 psi |
| 15 bar | 217.56 psi |
| 12 bar | 174.05 psi |
Formula
psi = bar × 14.503773773
Car tyres usually run at 2 to 2.5 bar, which is 29.01 to 36.26 psi.
Where this number comes from
A bar is exactly 100,000 Pa; psi derives from the pound-force and the inch.
Source: NIST Guide to the SI, Appendix B: Conversion Factors, NIST (National Institute of Standards and Technology, USA).
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