Millimeters of Mercury
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Pressure exerted by 1 mm column of mercury
About Millimeters of Mercury (mmHg)
Millimeters of mercury is the standard unit for blood pressure readings worldwide (e.g., 120/80 mmHg for a healthy adult) and for barometric pressure in some contexts. The unit derives from the height of a mercury column in a manometer, and 760 mmHg equals one standard atmosphere.
- Category
- Pressure
- Symbol
- mmHg
- Also known as
- mm Hg millimeters of mercury mmHg
CONVERT TO
Frequently Asked Questions
What is a Millimeters of Mercury (mmHg)?
Pressure exerted by 1 mm column of mercury
How many Atmosphere (atm) are in one Millimeters of Mercury (mmHg)?
One Millimeters of Mercury (mmHg) equals 0.0013157897 Atmosphere (atm).
How many Pascal (Pa) are in one Millimeters of Mercury (mmHg)?
One Millimeters of Mercury (mmHg) equals 133.3224 Pascal (Pa).
How many Kilopascal (kPa) are in one Millimeters of Mercury (mmHg)?
One Millimeters of Mercury (mmHg) equals 0.133322 Kilopascal (kPa).
How do I convert Millimeters of Mercury to Atmosphere?
To convert Millimeters of Mercury to Atmosphere, multiply the value by 0.0013157897 (1 mmHg = 0.0013157897 atm).