Boyle's Law Calculator

Calculate pressure or volume changes using Boyle's Law (P₁V₁ = P₂V₂). Enter any three values to find the fourth.

Calculate *

Pressure Unit

Initial Pressure (P₁) *

atm

Initial Volume (V₁) *

Final Pressure (P₂) *

atm

Final Volume (V₂) *

Show Steps

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Boyle's Law Result

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Calculation Breakdown

Step-by-step Boyle's Law calculation

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Initial (P₁V₁)

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Pressure × Volume

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Final (P₂V₂)

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Pressure × Volume

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Ratio P₁/P₂

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Inverse

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Relationship

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P ∝ 1/V

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Boyle's Law Formulas

Key gas law concepts

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Boyle's Law Tips

Understanding Boyle's Law

📐 Scientific Disclaimer: Boyle's Law applies to ideal gases at constant temperature. Real gases may deviate at high pressures or low temperatures. Results are for educational purposes.