What is Absolute zero?

Updated 4th August 2022

What is absolute zero? Absolute zero is the temperature at which a thermodynamic system has the lowest energy. What does that actually mean? Understanding Absolute Zero (Kelvin) Absolute Zero corresponds to −273.15 °C or −459.67 °F or 0 K (Kelvin). The Kelvin is the Standard International unit of thermodynamic temperature. The Kelvin differs from other more