Celsius

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standard and absolute temperature scales

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Celsius: Facts & Related Content

Written and fact-checked by The Information Architects of Encyclopaedia Britannica

Last Updated: May 01, 2025

Facts

Also Known As	centigrade • °C • centigrade scale • Celsius temperature scale

Photos

standard and absolute temperature scales

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Topics

Fahrenheit temperature scale Rankine temperature scale Réaumur temperature scale Richter scale moment magnitude Beaufort scale absolute temperature scale grain size scale Douglas scale

Key People

Anders Celsius, detail from a drawing by an unknown artist, 18th century.

Anders Celsius

Swedish astronomer

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