inHg to psi converter
1 inches of mercury equals 0.4911542 pounds per square inch. Conversions use psi = inHg × 0.491154
inHg → 0.4911542 psi
psi = inHg × 0.491154
Converter
Worked examples
- 1 inHg = 0.4911542 psi
- 2 inHg = 0.9823084 psi
- 5 inHg = 2.455771 psi
- 10 inHg = 4.911542 psi
- 100 inHg = 49.11542 psi
inches of mercury to pounds per square inch conversion table
| inHg | psi | Arithmetic |
|---|---|---|
| 1 inHg | 0.4911542 psi | × 0.491154 |
| 2 inHg | 0.9823084 psi | × 0.491154 |
| 3 inHg | 1.473463 psi | × 0.491154 |
| 4 inHg | 1.964617 psi | × 0.491154 |
| 5 inHg | 2.455771 psi | × 0.491154 |
| 6 inHg | 2.946925 psi | × 0.491154 |
| 8 inHg | 3.929234 psi | × 0.491154 |
| 10 inHg | 4.911542 psi | × 0.491154 |
| 12 inHg | 5.89385 psi | × 0.491154 |
| 15 inHg | 7.367313 psi | × 0.491154 |
| 20 inHg | 9.823084 psi | × 0.491154 |
| 25 inHg | 12.278855 psi | × 0.491154 |
| 30 inHg | 14.734626 psi | × 0.491154 |
| 40 inHg | 19.646168 psi | × 0.491154 |
| 50 inHg | 24.55771 psi | × 0.491154 |
| 60 inHg | 29.469252 psi | × 0.491154 |
| 70 inHg | 34.380794 psi | × 0.491154 |
| 80 inHg | 39.292336 psi | × 0.491154 |
| 90 inHg | 44.203878 psi | × 0.491154 |
| 100 inHg | 49.11542 psi | × 0.491154 |
How to convert inHg to psi
- Take your value in inches of mercury.
- Multiply by 0.491154
- That is your answer in pounds per square inch — no rounding needed until you choose a display precision.
Related conversions
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Questions
How many pounds per square inch in 1 inches of mercury?
Exactly 0.4911542 psi. The factor follows from the definitions of both units, not from a measurement, so it is exact.
How do I convert inHg to psi?
Multiply the inches of mercury figure by 0.491154 — or use the converter above, which updates as you type.
Is inHg to psi the same as psi to inHg?
No — they are inverses. One inHg is 0.4911542 psi, while one psi is 2.03602 inHg.
What is 1 inHg in psi?
1 inHg = 0.4911542 psi (see the value page for the full arithmetic).