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Charles's Law Calculator

Volume-temperature relationship at constant pressure.

Find the missing volume or temperature in Charles's law (V₁/T₁ = V₂/T₂) for an ideal gas at constant pressure.

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

Inputs

L
K
K

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

V₁ / T₁ = V₂ / T₂ (constant P, T in kelvin).

In depth

Find the missing volume or temperature in Charles's law (V₁/T₁ = V₂/T₂) for an ideal gas at constant pressure.