Torr

Torr

Scientific Unit

The torr is named after Evangelista Torricelli and is defined as 1/760 of an atmosphere. It's historically used for vacuum measurements and remains common in physics labs.

Quick Converter

1 Torr = kPa

Controls display format. Very small or very large numbers will be shown in scientific notation (e.g., 1.5e-6).

Torr (Torr)

The torr is named after Evangelista Torricelli and is defined as 1/760 of an atmosphere. It’s historically used for vacuum measurements and remains common in physics labs.

Characteristics

  • Standard pressure unit
  • 1 Torr = 133.322 Pa
  • 1 Torr = 1/760 atm
  • 1 Torr ≈ 1 mmHg (millimeter of mercury)
  • Used in: vacuum measurements, physics, barometry

Conversions

  • 1 Torr = 133.322 Pa
  • 1 Torr = 0.133322 kPa
  • 1 Torr = 0.00133322 bar
  • 1 Torr = 0.001316 atm
  • 1 Torr = 0.0193368 psi
  • 760 Torr = 1 atmosphere

Used In Regions

Physics Vacuum