Volume at STP Calculator

Calculate Gas Volume at Standard Temperature and Pressure

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Volume at STP Calculator

Calculate gas volume at STP (0°C, 1 atm) from non-STP conditions.

Volume at STP will appear here

Molar Volume Calculator

Calculate molar volume at STP from number of moles.

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Understanding STP Conditions

STP Definition

Key parameters:

  • Temperature: 0°C (273.15 K)
  • Pressure: 1 atm
  • Molar volume: 22.4 L/mol
  • Standard conditions
  • Reference state

Applications

Used in:

  • Gas stoichiometry
  • Industrial processes
  • Chemical analysis
  • Gas reactions
  • Laboratory work

Important Notes

Consider:

  • Real gas deviations
  • Temperature effects
  • Pressure variations
  • Molecular interactions
  • System conditions

Common Values

Reference data:

  • 1 mol = 22.4 L at STP
  • 1 atm = 760 mmHg
  • 0°C = 273.15 K
  • R = 0.08206 L⋅atm/mol⋅K

Essential STP Formulas

Combined Gas Law

(P₁V₁)/T₁ = (P₂V₂)/T₂

at constant n

Molar Volume

V = 22.4 L/mol × n

at STP

Ideal Gas Law

PV = nRT

universal gas law