mmHg
Millimeter of Mercury
Scientific System

Millimeter of Mercury (mmHg)

Millimeters of mercury (mmHg) measure blood pressure (normal: 120/80 mmHg), vacuum systems, and barometric pressure. Based on mercury column height in a manometer. Standard atmosphere equals 760 mmHg. Also called torr in scientific contexts.

Convert From mmHg

Convert To mmHg

Conversion Factors

1 mmHg 133.32238742 Pa
1 mmHg 1.3332238742 hPa
1 mmHg 0.1333223874 kPa
1 mmHg 0.0001333224 MPa
1 mmHg 0.0013332239 bar
1 mmHg 1.3332238742 mbar
1 mmHg 0.0193367775 psi
1 mmHg 2.7844959542 psf
1 mmHg 0.0013157897 atm
1 mmHg 1.0000001425 Torr
1 mmHg 0.0393700746 inHg
1 mmHg 1.35951 cmH₂O

Related Units