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 PSI without lookup tables or manual math.
This page is focused on converting millimeters of mercury to PSI. Type a number into the first field and the result appears immediately in the second field.
Example: 1 mmHg = 0.0193367775 psi. Conversion formula: result = value × 133.322387415 / 6894.757293168.
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.
PSI means pound-force per square inch and is common for tires, pumps, and hydraulics.
History: PSI developed from imperial force and area units and settled in machinery, tires, and hydraulics.
Enter a value in the Millimeter of mercury field. The converter applies the formula "result = value × 133.322387415 / 6894.757293168" and immediately shows the result in PSI.
1 mmHg = 0.0193367775 psi.
Yes. Use the swap button or choose the reverse pair from the full conversion list.