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GAS LAW REFERENCEREADY
PV = nRT

Pressure · Volume · Temperature

SCIENTIFIC FORMULAS01 — 05
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01

Combined Gas Law Calculator

Calculate changes in pressure, volume, and temperature for a fixed amount of gas.

P₁V₁/T₁ = P₂V₂/T₂
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02

Ideal Gas Law Calculator

Relate pressure, volume, temperature, and the amount of an ideal gas.

PV = nRT
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03

Boyle's Law Calculator

Find how pressure changes when gas volume changes at constant temperature.

P₁V₁ = P₂V₂
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04

Charles's Law Calculator

Calculate gas volume changes caused by temperature changes at constant pressure.

V₁/T₁ = V₂/T₂
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05

Gay-Lussac's Law Calculator

Calculate pressure changes caused by temperature changes at constant volume.

P₁/T₁ = P₂/T₂
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More ways to calculate

Specialized gas calculators

Explore density, mass, molar mass and additional gas-law workflows.

Ideal Gas Density CalculatorEstimate ideal-gas density using pressure, molar mass, and absolute temperature.Ideal Gas Mass CalculatorCalculate gas mass from pressure, volume, molar mass, and temperature.Ideal Gas Molar Mass CalculatorFind the molar mass of a gas from its measured state and sample mass.Ideal Gas Law Calculator in English UnitsWork with common English-unit pressure and volume measurements.
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Understand the equation, the units, and the assumptions behind your result. Gas-law calculations use absolute temperature in Kelvin and absolute pressure.

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