Ideal Gas Law Calculator

Solve for pressure, volume, moles, or temperature using PV = nRT with multiple unit options.

Solve for Variable

Choose what to calculate

Moles (n)
Temperature
°C
Volume (L)
Pressure (kPa)
kPa
Moles (n)
Temperature
°C
Pressure (kPa)
kPa
Volume (L)
Temperature
°C
Pressure (kPa)
kPa
Volume (L)
Moles (n)
atm
bar
psi
Pa
Kelvin

Note: Ideal Gas Law assumes no intermolecular forces. For high pressure or low temperature, use Van der Waals equation.

Solution Steps