Fahrenheit to Celsius (Cooking) Formula

Understand the math behind the fahrenheit to celsius (cooking). Each variable explained with a worked example.

Use the Fahrenheit to Celsius (Cooking)

Formulas Used

Celsius

celsius = (fahrenheit - 32) * 5 / 9

Approximate Gas Mark

gas_mark = (fahrenheit - 250) / 25

Variables

VariableDescriptionDefault
fahrenheitTemperature(°F)350

How It Works

How to Convert Fahrenheit to Celsius

Formula

Celsius = (Fahrenheit - 32) x 5/9

Common Oven Temperatures

FahrenheitCelsiusDescription 250°F121°CVery low 325°F163°CLow 350°F177°CModerate 375°F191°CModerate-high 400°F204°CHot 450°F232°CVery hot

Worked Example

A recipe calls for 350°F. What is the Celsius equivalent?

fahrenheit = 350
  1. 01Subtract 32: 350 - 32 = 318.
  2. 02Multiply by 5/9: 318 x 5/9 = 176.67°C.
  3. 03Round to 177°C for the oven setting.

Frequently Asked Questions

What is 350°F in Celsius?

350°F is approximately 177°C. This is one of the most common baking temperatures.

Should I round oven temperatures?

Yes, most ovens are accurate to within 5-10 degrees, so rounding to the nearest 5°C is practical.

What is a gas mark?

Gas mark is a temperature scale used on gas ovens in the UK. Gas Mark 4 is approximately 350°F / 177°C.

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