581 bar ≈ 8,426.69 psi. To convert bars to pounds per square inch, multiply by 14.503768: 581 × 14.503768 = 8,426.69.
How to convert bars to pounds per square inch
psi = bar × 14.503768
- 1 bar = 14.503768 psi (and 1 psi = 0.0689476 bar).
- Multiply the amount by the factor: 581 × 14.503768 = 8,426.69.
- Answer: 581 bar ≈ 8,426.69 psi (rounded to 6 significant figures).
Bars to Pounds Per Square Inch table
| Bars (bar) | Pounds Per Square Inch (psi) |
|---|---|
| 576 bar | 8,354.17 psi |
| 577 bar | 8,368.67 psi |
| 578 bar | 8,383.18 psi |
| 579 bar | 8,397.68 psi |
| 580 bar | 8,412.19 psi |
| 581 bar | 8,426.69 psi |
| 582 bar | 8,441.19 psi |
| 583 bar | 8,455.7 psi |
| 584 bar | 8,470.2 psi |
| 585 bar | 8,484.7 psi |
| 586 bar | 8,499.21 psi |
| bar | psi |
|---|---|
| 1 bar | 14.5038 psi |
| 5 bar | 72.5188 psi |
| 10 bar | 145.038 psi |
| 50 bar | 725.188 psi |
| 100 bar | 1,450.38 psi |
| 1,000 bar | 14,503.8 psi |
Good to know
Most passenger-car tyres run at about 30–35 psi (≈ 207–241 kPa, 2.1–2.4 bar). Use the pressure on your vehicle’s door-jamb placard.
1 psi = 6.894757 kPa; 1 bar = 100 kPa ≈ 14.5038 psi.