Direct conversion
Convert millimeter of mercury [mmHg] to pascal [Pa] instantly with formula, examples, chart, and FAQs.
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Use the calculator below for any custom value, then check the formula, examples, chart, and reverse conversion links.
1 millimeter of mercury [mmHg] = 133.322387 pascal [Pa]
1 millimeter of mercury [mmHg] = 133.322387 pascal [Pa]
Example: 1 millimeter of mercury [mmHg] equals 133.322387 pascal [Pa].
Pressure conversions use pascal as the reference unit and include common engineering, weather, tire, and laboratory pressure units.
Displayed results are rounded for readability. The calculator keeps enough precision for everyday use and switches to scientific notation for very large or very small values. Last reviewed: 2026-05-21.
The millimeter of mercury (mmHg) is a pressure unit used to express measurements in this converter.
HistoryThis unit is included because it appears in practical measurement systems, technical references, product specifications, or everyday conversion needs.
Current useUse millimeter of mercury when comparing pressure values, checking specifications, converting between systems, or preparing quick estimates.
The pascal is the SI derived unit of pressure equal to one newton per square meter.
HistoryThe pascal is named after Blaise Pascal and is the standard SI pressure unit.
Current usePascals are used in science, engineering, materials testing, weather, acoustics, and fluid mechanics.
| millimeter of mercury [mmHg] | pascal [Pa] |
|---|---|
| 1 | 133.322387 |
| 2 | 266.644775 |
| 5 | 666.611937 |
| 10 | 1333.223874 |
| 20 | 2666.447748 |
| 25 | 3333.059685 |
| 50 | 6666.119371 |
| 100 | 13332.238742 |
| 1000 | 133322.387415 |
Use this formula: 1 millimeter of mercury [mmHg] = 133.322387 pascal [Pa] Enter your value in the calculator and the result updates instantly.
1 millimeter of mercury [mmHg] equals 133.322387 pascal [Pa].
Yes. Use the swap button in the calculator or open the related reverse conversion link when it is listed on this page.