What is a Torr (Torr)?

A torr is a unit of pressure nearly equal to 1 mmHg, defined as exactly 1/760 of a standard atmosphere.

Definition

Symbol

Torr

Category

Pressure

System

Both

1 {unit} = {value} {otherUnit}

1 Torr = 133.322 Pascal (Pa)

1 Torr = 0.133322 Kilopascal (kPa)

1 Torr = 0.000133322 Megapascal (MPa)

1 Torr = 0.00133322 Bar (bar)

1 Torr = 0.0193368 PSI (psi)

Common Uses

  • Vacuum technology
  • Laboratory measurements
  • Thin film deposition

Torr Conversions

Related Units