Convert Fahrenheit to Celsius, Calculator

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The Fahrenheit to Celsius converter by Omni allows you to convert temperature values from Fahrenheit to Celsius scale.

Continue reading to learn more about the different temperature scales, i.e., Fahrenheit and Celsius scales, and the conversion formula between them. You will also see how to convert Fahrenheit degrees to Celsius using our converter.

Fahrenheit and Celsius Temperature Scales

Both the Celsius degree (°C) and the Fahrenheit degree (°F) are units of temperature measurement.

In the Celsius temperature scale, the freezing point of water at 1 atm pressure is 0 °C, and the boiling point of water is 100 °C. The difference between these two fixed points is divided into 100 equal parts, each of which corresponds to 1 °C.

In the Fahrenheit temperature scale, the freezing point of water is 32 °F, and the boiling point is 212 °F. The difference between these two fixed points is divided into 180 equal parts, each of which corresponds to 1 °F.

Formula for converting Fahrenheit to Celsius

Using the information mentioned in the previous section, we will write the formula for converting Fahrenheit temperature scale to Celsius scale as:

T c−05 T c= 180 T F−32= 9 T F−32

Where:

$T_c$ - Temperature in Celsius; and also
$T_F$ - Temperature in Fahrenheit.

For example, using the Fahrenheit to Celsius conversion formula, we can show that 212 °F is equivalent to 100 °C:

T c= 9 212−32×5 = 9 180×5 =100°C

How to convert Fahrenheit to Celsius

Now let s see how we can convert Fahrenheit degrees to Celsius degrees using our converter:

Enter the temperature value in Fahrenheit.
The converter will display the temperature in Celsius.
You can also use this tool to convert Celsius to Fahrenheit degrees.

FAQ

How to convert Fahrenheit to Celsius?

To convert the temperature scale from Fahrenheit to Celsius, follow these instructions:

Subtract 32 from the temperature value in Fahrenheit.
Divide the result by 9 and multiply by 5.
Congratulations! You’ve converted the temperature scale from Fahrenheit to Celsius.

Is there a point where Celsius and Fahrenheit degrees are equal?

Yes, at -40, both Celsius and Fahrenheit are equal, as shown below:

Use the formula for converting Celsius to Fahrenheit, i.e., T(°C) = (T(°F) - 32)/9 × 5.
Substitute x into the equation above for both temperature scales, x(°C) = (x (°F) - 32)/9 × 5.
Find x, and you will get x = -40.
Therefore, Celsius and Fahrenheit are equal at -40 °C and -40 °F.