How is Fahrenheit converted to Celsius?

• A. C = (F - 32) x 1.8
• B. C = (F + 32) / 1.8
• C. C = (F - 32) / 1.8
• D. C = F - 32 x 1.8

Answer: (C)

To convert Fahrenheit to Celsius, the formula used is C = (F - 32) / 1.8. This equation works by first subtracting 32 from the Fahrenheit temperature, which adjusts the scale, and then dividing the result by 1.8 to account for the difference in the size of the degrees on both the Fahrenheit and Celsius scales.

The division by 1.8 is necessary because one degree Celsius is equivalent to 1.8 degrees Fahrenheit. Therefore, after adjusting for the offset with the subtraction, dividing by 1.8 converts the remaining temperature difference correctly into Celsius.

This conversion formula stems from the relationship between the two temperature scales, where water freezes at 0 degrees Celsius (32 degrees Fahrenheit) and boils at 100 degrees Celsius (212 degrees Fahrenheit). Understanding this relationship and the appropriate mathematical adjustments is crucial for accurate temperature conversions in various scientific and technical applications, especially in fields involving electrical science, where precise temperature measurements may be critical.