How Close to Absolute Zero

Log-scale distance from 0 Kelvin across cooling systems

Home freezer

-18°C

Liquid nitrogen

-196°C

Liquid helium

-269°C

Quantum qubits

-273.135°C

Absolute zero

-273.15°C

Bar width normalized on a log scale of temperature (Kelvin) to visualize proximity to absolute zero; labels show actual temperatures.