---
title: "Kelvin: research glossary | Sable Peptides"
description: "The kelvin (K) is the SI base unit of thermodynamic temperature, defined by fixing the Boltzmann constant. Zero kelvin is absolute zero, and 0 °C equals 27"
canonical: https://www.sablepeptides.co.uk/glossary/kelvin
publisher: Sable Peptides Limited (UK company 17488610)
note: Research use only. Not for human or veterinary use.
---

Glossary

# Kelvin

The kelvin (K) is the SI base unit of thermodynamic temperature, defined by fixing the Boltzmann constant. Zero kelvin is absolute zero, and 0 °C equals 273.15 K. Temperatures in kelvin are used in thermodynamic calculations, such as relating reaction rates to temperature in stability studies.

Source: [en.wikipedia.org](https://en.wikipedia.org/wiki/Kelvin)

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