Ideal Gas Law Calculator

Solve PV = nRT for pressure, volume, moles or temperature.

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How to use Ideal Gas Law Calculator

  1. Choose what to solve for (where offered).
  2. Enter the known values in SI units shown next to each field.
  3. Read the answer with conversions to common units.

Formula & assumptions

P × V = n × R × T (R = 8.314 J/(mol·K))