Standard Pressure

Definition

Standard Pressure is defined as exactly 1 atmosphere (atm), which serves as a reference point for various physical and chemical properties measured under normal conditions.

Related terms

Standard Temperature and Pressure (STP):

This is a set of conditions used for measurements in chemistry, defined as 0°C (273.15K) and 1 atm pressure.

Atmosphere (atm): A unit of pressure based on the average atmospheric sea level pressure on Earth.

Torr: Another unit of pressure, where 1 atm equals 760 Torr. Named after Italian physicist Evangelista Torricelli.