Torr to Millimeters of mercury converter

To convert torr to millimeters of mercury, enter the value in the first field. The result in millimeters of mercury is calculated automatically using the exact conversion factor.

1 Torr ≈ 0.999999857534 mmHg
1 mmHg ≈ 1.00000014247 Torr

Formula: mmHg ≈ Torr × 0.999999857534
Torr ≈ mmHg × 1.00000014247

Definitions: 1 Torr = 20265/152 Pa; 1 mmHg = 133.322387415 Pa

The torr is 1/760 of a standard atmosphere, very close to the pressure of one millimeter of mercury. It is used in vacuum technology and physics, where pressures below atmospheric are given in torr or millitorr.

The millimeter of mercury (mmHg) is the pressure at the base of a one-millimeter column of mercury. It is the unit of blood pressure in medicine, for example 120/80 mmHg, and is also used for some barometric and vacuum readings.

See the conversion table with commonly used values, handy for quick reference or study.