EngiRef / Thermodynamics Engineering Formula

Ideal Gas Law

Ideal Gas Law: Equation of state for ideal gases. A Laws formula in thermodynamics engineering. Variables P, V, n, R and T, each with SI and imperial units.

Laws

Specification

Name
Ideal Gas Law
Discipline
thermodynamics
Category
Laws
LaTeX
PV = nRT
Description
Equation of state for ideal gases
Can solve for
P, V, n, T
Tags
ideal gas, pvnrt, equation of state

Variables

Variables for Ideal Gas Law
SymbolNameUnitSi UnitImperial Unit
PPressurePaPapsi
VVolumeft³
nMolesmolmol -
RGas ConstantJ/(mol·K)J/(mol·K) -
TTemperatureKK°R

Common questions

What is the Ideal Gas Law formula?
Equation of state for ideal gases. It sits under Laws, Thermo engineering in the EngiRef reference.
What do the symbols in the Ideal Gas Law formula mean?
In Ideal Gas Law, P is pressure in Pa; V is volume in m³; n is moles in mol; R is gas constant in J/(mol·K); T is temperature in K.