Boyle's Law (P1V1 = P2V2)Chemistry

Boyle's Law Gas Pressure & Volume Calculator (P1V1 = P2V2)

Calculate final gas volume (V2) or pressure (P2) during isothermal expansion and compression according to Boyle's ideal gas relationship.

Calculated Result

Final Gas Volume (V2)

4L

Calculator Inputs

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Final Gas Volume (V2)

4L

Boyle Constant (P * V = k)

10 atm·L

Volume Change Ratio (V2 / V1)

0.4 -

Isothermal Compression: Increased pressure strictly contracts the gas volume inversely.

Initial vs Final Gas Volume

Initial Vol V1
10 L(71%)
Final Vol V2
4 L(29%)

Standard gas law and thermodynamics tool for isothermal closed-system gas behavior.

Calculation Methodology

Boyle's Law: P1 * V1 = P2 * V2 at constant temperature and moles. Final Volume V2 = (P1 * V1) / P2. Pressure and volume are strictly inversely proportional.

Frequently Asked Questions

Compressing a fixed number of gas molecules into half the volume doubles their collision frequency against the container walls, exactly doubling the measured pressure.

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