Torr to Atmospheres Converter

Convert Pressure from Torr to Atmospheres with Precision

ChemistryCalculatorHub.info

Torr to Atmospheres Calculator

Convert pressure values from Torr (mmHg) to Atmospheres (atm) with high precision.

Conversion result will appear here

Vapor Pressure Calculator

Calculate vapor pressure using the Antoine equation.

Vapor pressure calculation result will appear here

Understanding Pressure Units

The Torr Unit

Key concepts:

  • 1 Torr = 1 mmHg
  • Named after Evangelista Torricelli
  • Historical mercury barometer
  • Vacuum science unit
  • Medical applications

Vapor Pressure

Important concepts:

  • Temperature dependent
  • Phase equilibrium
  • Clausius-Clapeyron equation
  • Antoine equation
  • Boiling point relation

Vacuum Science

Pressure ranges:

  • Rough vacuum: 750-1 Torr
  • Medium: 1-10⁻³ Torr
  • High: 10⁻³-10⁻⁷ Torr
  • Ultra-high: <10⁻⁷ Torr
  • Applications in research

Applications

Used in:

  • Medical devices
  • Vacuum technology
  • Chemical processing
  • Distillation
  • Blood pressure

Essential Pressure Conversion Formulas

Basic Conversions

1 atm = 760 Torr

1 Torr = 1.31579 × 10⁻³ atm

Antoine Equation

log₁₀P = A - B/(T + C)

P in mmHg, T in °C

Related Units

1 Torr = 133.322 Pa

1 Torr = 1 mmHg