Gay-Lussac's Law Calculator

Calculate pressure or temperature changes using Gay-Lussac's Law (P₁/T₁ = P₂/T₂). Enter any three values to find the fourth.

Calculate *

Pressure Unit

Temperature Unit

Placeholder

Initial Pressure (P₁) *

atm

Initial Temperature (T₁) *

Final Pressure (P₂) *

atm

Final Temperature (T₂) *

Show Steps

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Gay-Lussac's Law Result

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Calculation Breakdown

Step-by-step Gay-Lussac's Law calculation

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P₁/T₁

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Initial ratio

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P₂/T₂

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Final ratio

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Temp Change

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ΔT

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Relationship

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P ∝ T

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Gay-Lussac's Law Formulas

Key gas law concepts

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Gay-Lussac's Law Tips

Understanding Gay-Lussac's Law

📐 Scientific Disclaimer: Gay-Lussac's Law applies to ideal gases at constant volume. Temperature must be in Kelvin for calculations. Results are for educational purposes.