Bar to PSI Converter

Multiply bar by about 14.5038 to get psi.

2.2 bar = 31.9083023006 psi

Convert pounds per square inch to bar instead

Formula

1 bar = 14.503773773 psi

pounds per square inch = bar × 14.503773773

Worked example

Convert 2.4 bar to pounds per square inch

  1. Multiply by 14.503773773
  2. 2.4 × 14.503773773 = 34.8091

2.4 bar = 34.8091 psi

Good to know

European tire placards often list 2.2–2.5 bar, which is 32–36 psi. A scuba cylinder filled to 200 bar holds about 2,900 psi, and a 150-bar pressure washer delivers about 2,175 psi. A bar is close to, but slightly less than, one standard atmosphere (1 atm = 1.01325 bar).

Conversion table

Bar to pounds per square inch conversion table
Bar (bar)Pounds per square inch (psi)
0.57.25189
114.5038
1.521.7557
229.0075
2.231.9083
2.434.8091
2.536.2594
343.5113
458.0151
572.5189
687.0226
8116.03
10145.038
1001,450.38
2002,900.75
3004,351.13

About these units

Bar (bar)
Exactly 100,000 Pa — close to average air pressure at sea level. Common for tire, scuba and pump pressures in Europe.
Pound per square inch (psi)
Pound-force per square inch, about 6,894.757 Pa. The usual unit for tire pressure in the US and UK.