100 millimeters of mercury to PSI
100 mmHg = 1.933678 psi. Change the amount below, or read the formula and the reference table further down.
100 millimeters of mercury equals
PSI
1 mmHg = 0.01933678 psi
The formula
Millimeters of mercury and PSI both measure pressure from the same zero, so a single multiplier does the job.
psi = mmHg × 0.0193367775
Going the other way? Convert PSI to millimeters of mercury.
Millimeters of mercury to PSI table
Values either side of 100 mmHg.
| Millimeters of mercury (mmHg) | PSI (psi) |
|---|---|
| 0 | 0 |
| 10 | 0.193368 |
| 20 | 0.386736 |
| 30 | 0.580103 |
| 40 | 0.773471 |
| 50 | 0.966839 |
| 60 | 1.1602 |
| 70 | 1.3536 |
| 80 | 1.5469 |
| 90 | 1.7403 |
| 100 | 1.9337 |
| 110 | 2.127 |
| 120 | 2.3204 |
| 130 | 2.5138 |
| 140 | 2.7071 |
| 150 | 2.9005 |
| 160 | 3.0939 |
| 170 | 3.2873 |
| 180 | 3.4806 |
| 190 | 3.674 |
| 200 | 3.8674 |
Questions people ask
- How many PSI are in a millimeter of mercury?
- One millimeter of mercury equals 0.0193367775 PSI.
- How do I convert millimeters of mercury to PSI by hand?
- Multiply the number of millimeters of mercury by 0.0193367775. For a rough check, 0.019 is close enough for most everyday use.
- What is 100 millimeters of mercury in PSI?
- 100 millimeters of mercury is 1.933678 PSI.
Calcuit generates this page from a unit table, so the factors here match every other page on the site.