Units

Kelvin

Citation Formats

General Reference

Science Atlas. "Kelvin." Accessed August 30, 2026. https://science.interactiveatlas.org/units/kelvin.

APA Style

Science Atlas. (n.d.). Kelvin. Retrieved August 30, 2026, from https://science.interactiveatlas.org/units/kelvin

BibTeX

@misc{scienceatlas-kelvin,
  author = {Science Atlas},
  title = {Kelvin},
  year = {2026},
  url = {https://science.interactiveatlas.org/units/kelvin},
  note = {Accessed August 30, 2026}
}

The kelvin is the base unit of thermodynamic temperature in the International System of Units. Zero kelvin, absolute zero, is the coldest temperature theoretically possible.

Facts

Symbol

K 1

Cross-Tradition Connections

Named After

William Thomson, Lord Kelvin

Source William Thomson, Baron Kelvin (Britannica)

Sources

1. Kelvin: Introduction (NIST)

National Institute of Standards and Technology (NIST)View the Source

William Thomson, Baron Kelvin (Britannica)

Encyclopaedia BritannicaNamed After: William Thomson, Lord KelvinView the Source

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