Celsius scale (centrigrade C)

Introduction

Defined based on triple point of water = 273.16 K as 0.01 C.

At sea level:

• the freezing point of water is 0 degrees C
• the boiling point of water is 100 degrees C

Degrees Celsius = 5/9(F - 32) or 0.5556 F - 17.78

Degrees Fahrenheit = 9/5 C + 32

More general terms

• temperature scale