Gas Law Calculator
PV = nRT — solve for any variable with step-by-step working
Gas Container
Gas constant: R = 8.314 J mol⁻¹ K⁻¹ (pressure in kPa, volume in dm³)
Enter values above to calculate
IB Chemistry S1.5: The ideal gas equation PV = nRT describes the behaviour of gases
under ideal conditions. Remember: temperature must be in Kelvin, pressure in
kPa, and volume in dm³ when using R = 8.314.