The ideal gas law merges Boyle's, Charles's, and Avogadro's insights. Double the temperature (in kelvin) and pressure doubles if volume is fixed.
Explore interactively
Open equation pagePV = nRT connects pressure, volume, temperature, and moles — the workhorse of chemistry and meteorology.
6 min read · 2026-06-11
The ideal gas law merges Boyle's, Charles's, and Avogadro's insights. Double the temperature (in kelvin) and pressure doubles if volume is fixed.
Explore interactively
Open equation page