Q:
# How Do You Convert a Temperature From Fahrenheit to Centigrade?

**To convert a temperature reading in Fahrenheit to Celsius, subtract 32 from the reading, and then multiply the result by 5/9.** For 98.6°F, for example, first subtract 32, which is equal to 66.6, then multiply by five, which is 333. Finally, divide 333 by nine, which equals 37°C.

Credit:
Kevin Jarrett
CC-BY 2.0

For a rough Fahrenheit-to-Celsius calculation, subtract 30 from the Fahrenheit figure, and divide the result by two. As this method is inaccurate, it should only be used for rough temperature conversions.

Instead of using the 5/9 fraction in the Fahrenheit-to-Celsius conversion, you can use 1.8. Subtract 32 from the Fahrenheit figure, as before, but for the next step simply divide the result by 1.8. Using the same Fahrenheit figure as an example, 66.6 divided by 1.8 also gives 37 as the quotient.

Another way to convert a Fahrenheit figure to a Celsius reading is adding 40 to the figure, multiplying by 5/9, and then subtracting 40 from the result. For 98.6°F, 98.6 + 40 is 138.6, which when multiplied by 5/9 gives 77. 77 minus 40 then gives 37, which is also an accurate Celsius reading.

For a Celsius-to-Fahrenheit conversion, multiply the Celsius figure by nine, divide by five, and then multiply the result by 32.

Learn more about Measurements-
Q:
## What Is 45 Degrees Celsius in Fahrenheit?

A: The temperature 45 degrees Celsius corresponds to 113 degrees Fahrenheit. This can be calculated using the formula F = 9/5 * C + 32, where F = degrees Fahr... Full Answer >Filed Under: -
Q:
## What Is 37.0 Degrees Celsius on the Fahrenheit Scale?

A: Converting 37.0 degrees Celsius to the Fahrenheit scale results in 98.6 degrees, which is the average normal temperature, or normothermia, for the human bo... Full Answer >Filed Under: -
Q:
## How Do You Convert Temperatures From Celsius to Fahrenheit?

A: Use the standard temperature conversion formula to convert degrees of Celsius to degrees of Fahrenheit. Multiply by nine, divide by five and then add 32. Full Answer >Filed Under: -
Q:
## How Do You Convert 120 Degrees Celsius to Fahrenheit?

A: In order to convert 120 degrees Celsius to its equivalent temperature in degrees Fahrenheit, you need to apply the equation (9/5)C + 32 = F, where C is the... Full Answer >Filed Under: