Conversion Chart - Vacuum
| Water | ||||||
| ATM | PSI | Meter | Feet | MM | Mercury (in.) | Vacuum % |
| 0.1 | 1.4 | 1 | 3' 3 3/8" | 73.6 | 2.9 | 10 |
| 0.2 | 2.8 | 2 | 6' 6 3/4" | 147.1 | 5.8 | 20 |
| 0.3 | 4.2 | 3 | 9' 10 1/8" | 220.7 | 8.7 | 30 |
| 0.4 | 5.7 | 4 | 13' 1 1/2" | 294.2 | 11.6 | 40 |
| 0.5 | 7.1 | 5 | 16' 4 13/16" | 367.8 | 14.5 | 50 |
| 0.6 | 8.5 | 6 | 19' 8 3/16" | 441.3 | 17.4 | 60 |
| 0.7 | 10.0 | 7 | 22' 11 9/16" | 514.9 | 20.3 | 70 |
| 0.8 | 11.4 | 8 | 26' 2 15/16" | 588.4 | 23.2 | 80 |
| 0.9 | 12.8 | 9 | 29' 6 3/8" | 662.0 | 26.0 | 90 |
| 1.0 | 14.2 | 10 | 32' 9 11/16" | 735.5 | 29.0 | 100 |