Pounds per Square Inch to Inches of Mercury Converter
1 pound per square inch ≈ 2.03602049 inches of mercury
1 pound per square inch equals 2.03602 inches of mercury
How to convert pounds per square inch to inches of mercury
Unit conversion preserves the pressure reference. Gauge pressure and absolute pressure are different readings; changing between them also needs the ambient pressure. Mercury and water-column units use the conventions stated in their unit notes.
inHg = psi × 2.036020485One pound per square inch is 2.036020485 inches of mercury, so a single multiplication converts any value.
20.3602 inHg ≈ 10 × 2.036020485Pounds per square inch to inches of mercury conversion table
Common values in pounds per square inch, converted to inches of mercury.
| Pounds per square inch (psi) | Inches of mercury (inHg) |
|---|---|
| 1 | 2.0360205 |
| 2 | 4.072041 |
| 3 | 6.1080615 |
| 4 | 8.1440819 |
| 5 | 10.180102 |
| 10 | 20.360205 |
| 20 | 40.72041 |
| 25 | 50.900512 |
| 50 | 101.80102 |
| 100 | 203.60205 |
| 250 | 509.00512 |
| 500 | 1,018.0102 |
| 1,000 | 2,036.0205 |
About these units
pound per square inchpsi
One pound-force per square inch. The US standard for tyre and fluid pressure.
inch of mercuryinHg
Exactly 25.4 mmHg. The US aviation and weather-report pressure unit.
Sources and precision
Table results are rounded to 8 significant digits; formula constants may be rounded to 10. Worked example answers use 6 significant digits. The converter starts at 6 significant digits and lets you change display precision. Calculations use the stored factors without intermediate rounding. Exact unit definitions do not make an input measurement more precise; conventional and measured factors follow the assumptions stated here.