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Math Tutor Explains: 18° F to C: Converting 18° Fahrenheit to Celsius | Thinkster Math

Math Tutor Explains: 18° F to C: Converting 18° Fahrenheit to Celsius

Just like measuring distance in feet or meters, temperature can also be measured using different scales. The two most common are Fahrenheit and Celsius, each useful in different contexts. Scientists often prefer Celsius, while your local weather reporter might use either Fahrenheit or Celsius, depending on the region. A math tutor can help break down these conversions, but when you see “18° F to C,” the goal is to convert 18° Fahrenheit to Celsius. In this guide, we’ll show you how!

18° F to C: Converting 18° Fahrenheit to Celsius

Methods

Converting 18° F to C Mathematically - Guidance from a Math Tutor

There is a specific formula to use when converting 18° Celsius to Fahrenheit:

C = (F - 32) × \frac{5}{9}

So, to convert 18° F to C, we will want to insert the Fahrenheit value into the equation:

C = (18 - 32) × \frac{5}{9}

Then we can solve the equation:

C = -14 × \frac{5}{9}

C = -14 × \frac{5}{9} = -7.778

(If the decimal is really long, we can round to the nearest three decimal places.)

C = -7.778

So:

18° Fahrenheit = -7.778° Celsius

Math Tutor Suggests: Try Some Other F to C Conversions

Want to be great at converting Fahrenheit to Celsius? Check out some of these other temperature conversion math problems from our math tutors:

92 F to C - Converting 92 Fahrenheit to Celsius

389 F to C - Converting 389 Fahrenheit to Celsius

307 F to C - Converting 307 Fahrenheit to Celsius

37 F to C - Converting 37 Fahrenheit to Celsius

225 F to C - Converting 225 Fahrenheit to Celsius

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