1 PSI to inches of mercury
1 psi = 2.036021 inHg. Change the amount below, or read the formula and the reference table further down.
1 PSI equals
inches of mercury
1 psi = 2.036021 inHg
The formula
PSI and inches of mercury both measure pressure from the same zero, so a single multiplier does the job.
inHg = psi × 2.03602068
Going the other way? Convert inches of mercury to PSI.
PSI to inches of mercury table
Values either side of 1 psi.
| PSI (psi) | Inches of mercury (inHg) |
|---|---|
| -4 | -8.1441 |
| -3.5 | -7.1261 |
| -3 | -6.1081 |
| -2.5 | -5.0901 |
| -2 | -4.072 |
| -1.5 | -3.054 |
| -1 | -2.036 |
| -0.5 | -1.018 |
| 0 | 0 |
| 0.5 | 1.018 |
| 1 | 2.036 |
| 1.5 | 3.054 |
| 2 | 4.072 |
| 2.5 | 5.0901 |
| 3 | 6.1081 |
| 3.5 | 7.1261 |
| 4 | 8.1441 |
| 4.5 | 9.1621 |
| 5 | 10.1801 |
| 5.5 | 11.1981 |
| 6 | 12.2161 |
Questions people ask
- How many inches of mercury are in a PSI?
- One PSI equals 2.03602068 inches of mercury.
- How do I convert PSI to inches of mercury by hand?
- Multiply the number of PSI by 2.03602068. For a rough check, 2 is close enough for most everyday use.
- What is 1 PSI in inches of mercury?
- 1 PSI is 2.036021 inches of mercury.
Calcuit generates this page from a unit table, so the factors here match every other page on the site.