At what temperature do Fahrenheit and Celsius intersect?

Celsius and Fahrenheit are two important temperature scales. The two scales have different zero points and the Celsius degree is bigger than the Fahrenheit. However, there is one point on the Fahrenheit and Celsius scales where the temperatures in degrees are equal. This is -40 °C and -40 °F. The Fahrenheit scale is used primarily in the United States, while Celsius is used throughout the world.

Source: ThoughtCo