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Conversion Table for Various Pressure Units Used in High Vacuum Practice
|
Torr |
microns |
Pascal |
dyne/cm2 |
atm |
mbar |
Torr (mm Hg) |
1 | 1,000 | 133 | 1,330 | 1.32 x 10-3 | 1.32 |
microns (milliTorr) |
0.001 | 1 | 0.133 | 1.33 | 1.32 | 1.32 x 10-3 |
Pascal (Newton/m2) |
7.5 x 10-3 | 7.5 | 1 | 10 | 9.87 x 10-6 | 9.87 x 10-3 |
| dyne/cm2 |
7.5 x 10-4 | 0.75 | 0.1 | 1 | 9.87 x 10-7 | 9.87 x 10-4 |
atm (std atmosphere) |
760 | 7.6 x 105 | 1.01 x 105 | 1.01 x 106 | 1 | 1,010 |
| mbar |
0.75 | 750 | 100 | 1,000 | 9.87 x 10-4 | 1 |
Additional Conversions
1 Bar (Bureau) = 750.0 mm Hg = 29.53" Hg
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