What Is 36.9 Degrees Celsius in Fahrenheit?

The Celsius scale is based on a 100-degree difference between the freezing point of water, 0 degrees Celsius, and the boiling point of water, 100 degrees Celsius. The Fahrenheit scale has 32 degrees as the freezing point of water and 212 degrees as the boiling point. The Celsius scale is more widely used throughout the world, with only a handful of countries, including the United States, electing to use the slightly older Fahrenheit scale.