How to Convert Fahrenheit to Celsius (Temperature Conversion)

Knowing how to do temperature conversions is very helpful when you are reading a recipe, for example, a book from the US, a country that doesn't use the metric system. Baking and candy making use very precise measurements, and a couple of degrees off can mean an item being baked under cooked or overbaked, or a candy that is caramelized or too soft.

Instructions

Difficulty: Easy

Things You’ll Need:

• Thermometer, in Fahrenheit
• Pen or pencil
• Paper
• Calculator, if needed

1. Take the Fahrenheit temp and subtract 32.
2. Take that answer and times 5.
3. Take that number and divide by 9, and that is the temperature in Celsius.
4. An example: 212 degrees F - 32 = 180. 180 x 5 = 900. 900 / 9 = 100. So, 212 degrees F equals 100 degrees C.

Tips & Warnings

• This is simple algebra, so if you take the steps one at a time you'll have the right answer each time.
• Don't worry if you don't have an even number at the end. Round up or down to the nearest degree.