bar                       p.s.i                            kpa

1,5                       22                              150
1,6                       23                              160 
1,7                       25                              170
1,8                       26                              180
1,9                       28                              190
2,0                       29                              200
2,1                       30                              210
2,2                       32                              220
2,3                       33                              230
2,4                       35                              240
2,5                       36                              250
2,6                       38                              260
2,7                       39                              270
2,8                       41                              280
2,9                       42                              290
3,0                       44                              300
3,1                       45                              310
3,2                       46                              320
3,3                       48                              330
3,4                       49                              340
3,5                       51                              350