Bar
The bar is a metric pressure unit equal to exactly 100,000 pascals, slightly below one standard atmosphere.
Bars are common in European tire pressure gauges, scuba diving, and industrial compressed-air systems.
Convert bar to pound per square inch (psi) instantly. Type in either field — results update live.
Selected bar values converted to psi using the exact factor from this tool.
| bar | psi |
|---|---|
| 0.01 | 0.1450377377 |
| 0.1 | 1.4503773773 |
| 1 | 14.503773773 |
| 2 | 29.007547546 |
| 3 | 43.511321319 |
| 5 | 72.518868865 |
| 10 | 145.03773773 |
| 20 | 290.07547546 |
| 50 | 725.18868865 |
| 100 | 1,450.3773773 |
| 1,000 | 14,503.773773 |
Exact conversion factors in both directions, plus a worked example.
1 bar = 14.503773773 psi
1 psi = 0.0689475729 bar
To convert bar to pound per square inch (psi), multiply by 14.503773773.
To convert pound per square inch (psi) to bar, multiply by 0.0689475729.
Example: convert 10 bar to psi
10 × 14.503773773 = 145.03773773 psi
Short background on the units used in this conversion.
The bar is a metric pressure unit equal to exactly 100,000 pascals, slightly below one standard atmosphere.
Bars are common in European tire pressure gauges, scuba diving, and industrial compressed-air systems.
Pounds per square inch (psi) measures force in pounds distributed over each square inch of area.
PSI is the default for US tire pressure, HVAC systems, hydraulics, and many industrial pressure ratings.
psi = bar × 14.503773773bar = psi × 0.0689475729, using the same exact factors as this converter.Jump to any pressure conversion starting from bar — including the reverse direction and every other unit in our dataset.