Pounds per Square Inch to Millimeters of Mercury
Snapshot
1 Pounds per Square Inch equals 51.714925 Millimeters of Mercury. Conversion Encyclopedia uses the same fixed conversion basis across the calculator, common values, and reverse page for this page.
- Reference basis: This conversion uses exact pascal-based pressure definitions.
- Example: For 0.1 Pounds per Square Inch, the result equals 5.171493 Millimeters of Mercury.
- Use the reverse page if you need the opposite direction with the same basis.
Use the interactive calculator below for custom values and the common-value table for quick checks.
Converter Calculator
51.714925 Millimeters of Mercury (mmHg)
SwitchExplanation
Formula: Millimeters of Mercury = Pounds per Square Inch × 51.714925. Why: both units are pressure scales with fixed pascal equivalents, so the conversion moves through pascals and preserves a single deterministic factor.
Pounds per square inch (psi): an imperial pressure unit widely used in tires, hydraulics, compressed gas systems, and general mechanical work.
Millimeters of mercury (mmHg): a pressure unit tied to a fixed pascal equivalent and commonly used in medical, laboratory, and vacuum-related readings.
This route is useful when translating pressure readings between psi and mmHg in mechanical, vacuum, laboratory, and instrumentation contexts.
This conversion is purely multiplicative because both units reduce through pascals using fixed pressure constants with no offset.
Common Conversion Values
| Pounds per Square Inch (psi) | Millimeters of Mercury (mmHg) |
|---|---|
| 0.1 | 5.171493 |
| 0.5 | 25.857463 |
| 1 | 51.714925 |
| 5 | 258.574626 |
| 10 | 517.149252 |
| 14.7 | 760.2094 |
| 29.92 | 1,547.310562 |
| 100 | 5,171.49252 |
| 101.325 | 5,240.014796 |
| 1,000 | 51,714.925204 |
Frequently Asked Questions
What is 1 pounds per square inch in millimeters of mercury?
1 Pounds per Square Inch equals 51.714925 Millimeters of Mercury on this page.
Does this Pounds per Square Inch to Millimeters of Mercury page use fixed pascal equivalents for psi or mmHg?
Yes. Psi and mmHg use fixed pascal equivalents on this page, so gauge, vacuum, and instrumentation values stay consistent across the direct answer, calculator, and table.
When would I convert pounds per square inch to millimeters of mercury?
This route is useful when translating pressure readings between psi and mmHg in mechanical, vacuum, laboratory, and instrumentation contexts.
How do I reverse Pounds per Square Inch to Millimeters of Mercury?
Use the mirror Millimeters of Mercury to Pounds per Square Inch route; it applies the inverse relationship with the same pressure assumptions.