Millimeters of Mercury to Pascals
Convert millimeters of mercury to pascals for blood pressure, clinical notes, barometers, and mercury-column pressure references.
How to convert mmHg to Pa
To convert a value from millimeters of mercury (mmHg) to pascals (Pa), enter the number in the converter above. Use the swap control if you need the reverse direction.
x is the source value in mmHg; y is the result in Pa.
Popular conversions
Quick answers for common mmHg to Pa values are available from the related conversion pages.
Use the related tools section for fixed-value conversions and the reverse direction.
Common conversion table
Quick reference table for common mmHg to Pa values:
| mmHg | Pa |
|---|---|
| 1 | 133.322387 |
| 5 | 666.611937 |
| 10 | 1,333.223874 |
| 50 | 6,666.119371 |
| 100 | 13,332.238742 |
| 1,000 | 133,322.387415 |
About millimeters of mercury
Millimeter of mercury (mmHg) — One millimeter of mercury is defined here as 133.322387415 pascals, based on a conventional mercury column pressure reference.
Common uses: Millimeters of mercury are used for blood pressure, clinical measurements, barometers, vacuum references, and legacy pressure tables.
About pascals
Pascal (Pa) — The pascal is the SI derived unit of pressure, equal to one newton per square meter.
Common uses: Pascals are used in physics, engineering, weather, fluid mechanics, material testing, and SI pressure specifications.
Frequently Asked Questions
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