Ideal Gas Law Calculator (PV = nRT)
Solve PV = nRT for pressure, volume, moles or temperature.
How to use the Ideal Gas Law Calculator
- Fill in what you know of: Pressure, Volume, Amount, Temperature — leave the unknown empty.
- The results (Pressure, Volume, Amount, Temperature) are calculated instantly as you type.
- Use “Copy link” to share the calculation with the same input values.
Formula
- PV = nRT
- R = 8.314 462 618 J/(mol·K) = 8.314 kPa·L/(mol·K)