Ideal Gas Law

Solve PV = nRT for the missing variable.

Input Parameters

Solve for

Volume (L)

Moles (n)

Temp (K)

Calculation Summary

Missing value: P101.3825491 kPa

Volume (L)22.4 L

Moles (n)1 mol

Temp (K)273.15 K

RR = 8.314

175 available

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About this calculator

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

R value?

8.314 kPa·L/(mol·K) for these units.

Kelvin only?

Yes — use absolute temperature, never °C directly.

STP check?

1 mol at 273.15 K and 101.325 kPa ≈ 22.4 L verifies the tool.