Millimeter of mercury (mmHg)
The millimeter of mercury is used in medicine, vacuum technology, and barometric measurement.
History: the millimeter of mercury comes from barometers and manometers where pressure balances a mercury column.
Quickly convert millimeters of mercury to millibars without lookup tables or manual math.
This page is focused on converting millimeters of mercury to millibars. Type a number into the first field and the result appears immediately in the second field.
Example: 1 mmHg = 1.3332238742 mbar. Conversion formula: result = value × 133.322387415 / 100.
Use this converter for everyday calculations, study notes, engineering checks, and quick value verification without installing a separate app.
The millimeter of mercury is used in medicine, vacuum technology, and barometric measurement.
History: the millimeter of mercury comes from barometers and manometers where pressure balances a mercury column.
The millibar is one thousandth of a bar and is often used in meteorology for atmospheric pressure.
History: the millibar became popular in meteorology because atmospheric pressure is conveniently near 1000 mbar.
Enter a value in the Millimeter of mercury field. The converter applies the formula "result = value × 133.322387415 / 100" and immediately shows the result in millibars.
1 mmHg = 1.3332238742 mbar.
Yes. Use the swap button or choose the reverse pair from the full conversion list.