壓力單位換算表
壓力單位換算表
Pressure Unit Conversion Table：
| atm | ata
( kg / cm 2 ) |
Torr
( mm Hg) |
in Hg | mm water | |
|---|---|---|---|---|---|
| atm | 1 | 1.033 | 760 | 29.92 | 1.034x10 4 |
| ata
( kg / cm 2 ) |
0.968 | 1 | 736 | 28.96 | 10 4 |
| Torr
( mm Hg) |
1.316x10 -3 | 1.36x10 -3 | 1 | 3.937x10 -2 | 13.6 |
| in Hg | 3.342x10 -2 | 3.453x10 -2 | 25.4 | 1 | 345.4 |
| mm water | 9.67x10 -5 | 10 -4 | 7.36x10 -2 | 2.895x10 -3 | 1 |
| in water | 2.456x10 -3 | 2.54x10 -3 | 1.868 | 7.36x10 -2 | 25.4 |
| bar | 0.9872 | 1.02 | 750 | 29.53 | 1.02x10 4 |
| Mpa | 9.872 | 10.2 | 7500 | 295.3 | 1.02x10 5 |
| kPa | 0.987x10 -2 | 0.01 | 7.5 | 0.2953 | 102 |
| psi
( Ib/in2) |
6.8x10 -2 | 7.031x10 -2 | 51.5 | 2.035 | 703.1 |
| in water | bar | Mpa | kPa | psi
( lb/in2) |
|
|---|---|---|---|---|---|
| atm | 407.1 | 1.013 | 0.1013 | 1.013x10 2 | 14.7 |
| ata
( kg / cm 2 ) |
393.7 | 0.981 | 9.81x10-2 | 98.1 | 14.22 |
| Torr
( mm Hg) |
0.535 | 1.333x10 -3 | 1.333x10 -4 |
0.1333 |
1.94x10 -2 |
| in Hg | 13.6 | 3.387x10 -2 | 3.387x10 -3 | 3.387 | 0.491 |
| mm water | 3.937x10 -2 | 9.81x10 -5 | 9.81x10 -6 | 9.81x10 -3 | 1.422x10 -3 |
| in water | 1 | 2.49x10 -3 | 2.49x10 -4 | 0.249 | 3.613x10 -2 |
| bar | 401.6 | 1 | 0.1 | 10 2 | 14.5 |
| Mpa | 4016 | 10 | 1 | 10 3 | 145 |
| kPa | 4.016 | 10 -2 | 10 -3 | 1 | 0.145 |
| psi
( lb/in2) |
27.68 | 6.893x10 -2 | 6.893x10 -3 | 6.893 | 1 |
| 查表法 ( Look-up method )：
|
1 in Hg=25.4 Torr(mm Hg)
1 bar= 1.02 ata 1 atm= 14.7 psi |
1 bar=1 00 kPa= 1.02 kg / cm 2 = 14.5 psi |
