Boyle’s law was formulated by the 17th‑century scientist Robert Boyle , with a closely related discovery made independently by the French physicist Edme Mariotte some years later.

Quick Scoop

  • Robert Boyle (1627–1691) was an Irish‑born English natural philosopher often called a founder of modern chemistry.
  • In 1662, Boyle published the quantitative relationship between gas pressure and volume that became known as Boyle’s law.
  • The same pressure–volume relationship was later rediscovered independently by Edme Mariotte, so it is sometimes called the Boyle–Mariotte law.

What Boyle’s Law Says

  • Boyle’s law describes how, at constant temperature, the pressure of a gas increases as its volume decreases, and vice versa.
  • In modern notation, this is expressed as p×v=kp\times v=kp×v=k, meaning pressure times volume is a constant for a fixed amount of gas at constant temperature.

TL;DR: Robert Boyle created Boyle’s law (with Edme Mariotte later finding the same relationship), showing that for a gas at constant temperature, pressure and volume change in opposite ways.

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