Ideal Gas Law Calculator (PV = nRT)

PV = nRT (R = 8.314 J/mol·K)

Enter any three values; the fourth solves automatically.

About this tool

Ideal Gas Law Calculator (PV = nRT) is a single-purpose utility on instant.tw, a free toolbox of calculators, converters, generators, and quick lookups. Everything works in your browser — nothing is uploaded, nothing is stored on a server unless explicitly noted.

Category: Science & Engineering — Physics. Browse more Science & Engineering — Physics tools.