Convert Bar to Pounds per Square Inch
bar to psi · pressure conversion
What are bar and pounds per square inch?
A bar is 100,000 pascals, roughly equal to atmospheric pressure at sea level. Pounds per square inch is the imperial pressure unit, standard for US tires and plumbing. For reference: car tires run around 32 psi (220 kPa), and sea-level air pressure is about 101 kPa.
How to convert bar to pounds per square inch
1 bar = 14.5038 psi. To convert, multiply the number of bar by 14.5038. For example, 5 bar = 72.5189 psi, and 20 bar = 290.075 psi. To go the other way, multiply pounds per square inch by 0.0689476 (since 1 psi = 0.0689476 bar).
Bar to Pounds per Square Inch conversion table
| Bar (bar) | Pounds per Square Inch (psi) |
|---|---|
| 1 | 14.5038 |
| 2 | 29.0075 |
| 5 | 72.5189 |
| 10 | 145.038 |
| 50 | 725.189 |
| 100 | 1,450.38 |
| 1,000 | 14,503.8 |
FAQ
What is 1 bar in psi?
1 bar = 14.5038 psi. To convert any amount, multiply the number of bar by 14.5038.
How do I convert pounds per square inch back to bar?
Go the other way: 1 psi = 0.0689476 bar, so multiply pounds per square inch by 0.0689476 to get bar.
Is a bar bigger than a pounds per square inch?
Yes — 1 bar is the larger unit, equal to 14.5038 psi.
Are these pressure conversions exact?
They use the standard internationally-defined conversion factors. Results are rounded to six significant figures for readability, which is accurate enough for everyday and most technical use.