Fahrenheit or Celsius.
Freezes at 0, boils at 100
No, water freezes at 32 degrees and boils at 212.
Celsius (used to be called 'Centigrade')
At STP (that's your next question) water boils at 212 degrees and freezes at 32 degrees.
The scale is based on the temperature at which water freezes and boils.
The Celsius scale.
This is the Fahrenheit temperature scale.
celsius
It is the temperature scale on which pure water freezes at 32° and boils in standard pressure at 212°.
The point at which water freezes and the point at which water boils.
The approved ISO temperature scales are the Celsius and Kelvin scales. With the Celsius scale; Water freezes at 0°C, and boils at 100°C. With the Kelvin scale; Water freezes at 273.15°K, and boils at 373.15°K.
Celsius and Centigrade