Celsius scale (denoted by °C) is the most commonly used temperature scale in everyday life. In this scale, 0°C is defined as the melting point of pure water and 100°C is defined as the boiling point of pure water under one atmospheric pressure.

摄氏温标(以 °C 表示)是日常生活中最常用的温标，它以纯水在大气压力下的熔点为零度，沸点为一百度。