Convert 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
Common values, rounded for reading.
| PSI (psi) | Inches of mercury (inHg) |
|---|---|
| 1 | 2.036 |
| 2 | 4.072 |
| 3 | 6.1081 |
| 4 | 8.1441 |
| 5 | 10.1801 |
| 6 | 12.2161 |
| 7 | 14.2521 |
| 8 | 16.2882 |
| 9 | 18.3242 |
| 10 | 20.3602 |
| 15 | 30.5403 |
| 20 | 40.7204 |
| 25 | 50.9005 |
| 30 | 61.0806 |
| 40 | 81.4408 |
| 50 | 101.8 |
| 75 | 152.7 |
| 100 | 203.6 |
| 250 | 509.01 |
| 500 | 1,018.01 |
| 1,000 | 2,036.02 |
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.