Gas Law Calculator (PV=nRT)

Gas Law Calculator (PV = nRT)

Calculate pressure, volume, moles, or temperature using the ideal gas law. Includes combined gas law and gas density.

What would you like to calculate? *

Pressure (P) *

Volume (V) *

Moles (n) *

Temperature (K) *

Molar Mass (g/mol) *

Gas Constant (R) *

💡 Ideal Gas Law: PV = nRT • Combined Gas Law: P₁V₁/T₁ = P₂V₂/T₂ • Density: ρ = PM/RT

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Result

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Step-by-Step Calculation

Detailed solution process

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Pressure (P)

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atm

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Volume (V)

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Moles (n)

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mol

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Temp (T)

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Formula Reference

Gas law formulas

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Gas Law Tips

Understanding gas behavior

🧪 Chemical Disclaimer: Ideal gas law assumes ideal gas behavior (no intermolecular forces, negligible volume). Results are for educational purposes. Real gases may deviate at high pressure/low temperature.