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Boyle's Law Calculator

Pressure-volume relationship at constant temperature.

Find the missing pressure or volume in Boyle's law (P₁V₁ = P₂V₂) for an ideal gas at constant temperature.

Daniel Oh By Daniel Oh
Reviewed by Dr. Helena Ortiz
Published Last reviewed 1 min read

Inputs

Pa
L
L

Results

Enter values and click Calculate to see results.
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How to use this calculator

  1. Fill in the inputs above using the units you already have.
  2. Values update automatically as you type — no submit button needed.
  3. Hover any result row for the underlying formula and intermediate values.

Formula

P₁ · V₁ = P₂ · V₂ (constant T).

In depth

Find the missing pressure or volume in Boyle's law (P₁V₁ = P₂V₂) for an ideal gas at constant temperature.