In this article, we will show you, How to write a C program to convert Fahrenheit to Celsius with example. The formula behind the temperature conversion from degree Fahrenheit to Celsius is: Celsius = (5 / 9) * (Fahrenheit – 32)
C program to convert Fahrenheit to Celsius
This C program let the user to enter the temperature value in Fahrenheit, and we are going to convert the user specified temperature in Fahrenheit to Celsius.
CODE
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//C program to convert Fahrenheit to Celsius #include <stdio.h> int main() { float celsius, fahrenheit; printf("Please Enter the temperature in Fahrenheit: \n"); scanf("%f", &fahrenheit); // Convert th temperature from fahrenheit to celsius celsius = (fahrenheit - 32) * 5 / 9; //celsius = 5 * (fahrenheit - 32) / 9; //celsius = (fahrenheit - 32) * 0.55556; printf("\n %.2f Fahrenheit = %.2f Celsius", fahrenheit, celsius); return 0; } |
OUTPUT
ANALYSIS
Following statements will ask the user to enter the temperature value in Fahrenheit, and the scanf statement will assign the user entered values to already declare variable Fahrenheit.
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printf("Please Enter the temperature in Fahrenheit: \n"); scanf("%f", &fahrenheit); |
We can use any of the below specified formulas to convert the temperature in Fahrenheit to Celsius
celsius = (fahrenheit – 32) * 5 / 9;
celsius = 5 * (fahrenheit – 32) / 9;
celsius = (fahrenheit – 32) * 0.55556;
Last printf statement will print the output
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printf("\n %.2f Fahrenheit = %.2f Celsius", fahrenheit, celsius); |
Let me show you the Celsius value of 32 degree Fahrenheit
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