Converting from Degrees Fahrenheit to Degrees Celsius: Examples and a Formula
You can calculate the temperature in Celsius by plugging the Fahrenheit reading into the formula °C = (°F  32) 5/9. Temperatures can be recorded using either the Fahrenheit or Celsius scales. The Fahrenheit to Celsius conversion formula and the process of making the transition will be covered in this lesson.
Converting a temperature from the Fahrenheit scale to the Celsius scale is referred to as "Fahrenheit to Celsius." If you need to measure temperature, you'll most likely use one of these two scales. The heat or coldness of an object can be quantified using temperature scales. The Fahrenheit to Celsius temperature conversion formula The formula used to convert temperatures from Fahrenheit to Celsius is often abbreviated as "F to C."
Fahrenheit
At 32 degrees Fahrenheit, water freezes, and at 212 degrees, it boils. We express temperatures in Fahrenheit with the °F symbol: 32°F, 75°F, etc.
Celsius
On the Celsius scale, also known as the Centigrade scale, water freezes at zero degrees and boils at one hundred degrees. Temperatures are expressed using the Celsius system, with the symbol °C and the numbers 100°C, 0°C, etc.
Temperatures in Fahrenheit and Celsius are proportional to one another. When the mercury rises on the Celsius scale, the mercury rises correspondingly on the Fahrenheit scale. Also, as the temperature drops in Celsius, it does so in Fahrenheit. Furthermore, their water's boiling and freezing points are different. As a result, the temperature at which water boils on the Celsius scale is 100 degrees, while on the Fahrenheit scale it is 212 degrees. Water freezes at 0 degrees Celsius (or 32 degrees Fahrenheit) on both temperature scales. The conversion between Fahrenheit and Celsius is explained by the F to C formula presented below.
The formula (F to C formula) for converting a temperature from Fahrenheit degrees to Celsius degrees is as follows:
°C = (°F  32) × 5/9
By substituting the Fahrenheit value into the formula, the corresponding Celsius value can be calculated.
Where,
 C = The Celsius scale for measuring temperature.
 The Fahrenheit (F) temperature scale.
A Conversion from Fahrenheit to Celsius
The above formula can be used to convert between Fahrenheit and Celsius. Some examples will help illustrate this point.
First Example: Changing 350°F to Celsius
To solve this problem, we can use the following formula to convert 350 degrees Fahrenheit to degrees Celsius: °C = (°F  32) 5/9. Temperature in degrees Celsius is calculated as follows: °C = (350  32) 5/9 = 176 6°C
Here's another example: converting 0 degrees Fahrenheit to Celsius
Let's use the Fahrenheit to Celsius conversion formula to see what 0 degrees Celsius would be in Fahrenheit. Using 0 degrees Fahrenheit as our starting point, we obtain °C = (°F  32) 5/9 = 0 degrees minus 32 divided by 5/9 equals negative 17 degrees. 77°C
Temperature Conversion from Fahrenheit to Celsius
Some examples of temperature conversions from Fahrenheit to Celsius are provided in the table below.
To convert from F to C Displaying temperature in Celsius 32 °F Water's melting point and freezing point are both at 0 degrees Celsius. 41 °F 5°C 50 °F 10°C 68 °F 20°C 86 °F 30°C 98.6 °F The typical human core temperature is 37 degrees Celsius. 104 °F 40°C 176 °F 80°C 194 °F 90°C 212 °F Water boils at a temperature of 100 degrees Celsius.
To illustrate the use of the Fahrenheit to Celsius conversion formula, let's convert 32 degrees Fahrenheit to degrees Celsius.
Solution:
Let's use the Fahrenheit temperature in the Celsius conversion formula,
°C = (°F  32) × 5/9
°C = (32  32)× 5/9 = 0°C
What is 32 degrees Fahrenheit in Celsius?

What is 31 degrees Fahrenheit in Celsius? (Second Example)
Solution:
In order to convert the given temperature to Celsius, we can use the Fahrenheit to Celsius formula.
°C = (°F  32) × 5/9
With F = 40 substituted
C = (31  32) × 5/9 =  0 55°C
31 degrees Fahrenheit is equal to zero. 55°C

Third Example: Changing a temperature from Fahrenheit to Celsius using the appropriate formula (50° F).
Solution:
To convert 50 degrees Fahrenheit to degrees Celsius, we use the F to C Formula.
°C = (°F  32) × 5/9
Changing the numbers,
°C = (50  32) × 5/9= 10°C
50 degrees Fahrenheit is equivalent to 10 degrees Celsius.
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Changing a temperature from the Fahrenheit scale to the Celsius scale is what is meant by "Fahrenheit to Celsius." The formula for converting between Fahrenheit and Celsius is: °C = (°F  32) 5/9. In this formula, C is the Celsius temperature and F is the Fahrenheit temperature.
The formula for converting Fahrenheit to Celsius temperatures is as follows:
Temperatures in Celsius can be calculated by substituting the value of F (Fahrenheit) into the formula °C = (°F  32) 5/9. Using this equation, you can easily change any Fahrenheit temperature to a corresponding Celsius value.
Determining the Formula for Converting Fahrenheit to Celsius
The formula for converting from Fahrenheit to Celsius is derived by analyzing the relationship between the two systems' respective boiling and freezing points. So, to recap, °C = (°F  32) 5/9
To what does the F to C Formula refer?
The Fahrenheit to Celsius formula, or F to C formula for short, is used to quickly and accurately convert temperatures between the two systems. The formula for converting from Fahrenheit to Celsius is °C = (°F  32) 5/9.
Converting from Fahrenheit to Celsius Temperatures
The Fahrenheit to Celsius (F to C) formula expresses the conversion from Fahrenheit to Celsius as °C = (°F  32) 5/9. Simply substituting the Fahrenheit value into the formula yields the Celsius equivalent: °C = (40°  32) 5/9 = 4. 4°C Thus, 40 degrees Fahrenheit is equal to 4 4°C
To what end do we use the Fahrenheit and Celsius temperature scales?
Both the Fahrenheit and Celsius temperature scales are widely used in meteorology and thermometry. Unlike the rest of the world, where temperatures are typically measured using the more universally accepted Celsius scale, the United States uses the Fahrenheit scale.
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