Recognised as Temperature
4.25 kelvin
- Temperature
- K
- SI
4.25 kelvin is a measurement of temperature. That is -268.9 degrees Celsius, or -452.02 degrees Fahrenheit. Below it is converted into all 5 units Nerdulator knows for temperature.
Common conversions
degrees Celsius-268.9 °C
degrees Fahrenheit-452.02 °F
Every other unit of temperature
degrees Rankine7.65 °R
degrees Réaumur-215.12 °Ré
About this quantity
CategoryTemperature
Unitkelvin (K)
SystemSI
In kelvins (the base unit)4.25 K
DefinitionFixed by defining the Boltzmann constant as exactly 1.380649 × 10⁻²³ joules per kelvin.exact by definition, under the 2019 revision of the SI
Against the fixed points
Absolute zero0 K4.25 K above 4.25 kelvin
Water freezes273.15 K268.9 K below 4.25 kelvin
Human body temperature310.15 K305.9 K below 4.25 kelvin
Water boils at sea level373.15 K368.9 K below 4.25 kelvin
State of water at this temperatureSolid (ice)at standard atmospheric pressure
Below absolute zeroNo
In kelvin above absolute zero4.25 K
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