How to convert an oven temperature
Enter the recipe temperature and the oven type.
1
Enter the temperature
Use the Celsius figure printed in the recipe.
2
Pick the oven type
Fan ovens usually need a setting 20 °C lower than conventional ovens.
3
Check the gas mark
Gas marks step in 25 °F increments, so the nearest mark is shown.
What does this tool do?
Oven dials use Celsius, Fahrenheit or gas marks depending on the country. Fan-assisted ovens usually need about 20 °C less than the conventional temperature in a recipe.
The Formula
°F = °C × 9/5 + 32; gas mark ≈ (°F − 250) ÷ 25; fan setting = °C − 20Frequently Asked Questions
What is 180 °C in Fahrenheit?
180 × 9/5 + 32 = 356 °F, which is gas mark 4 and a moderate oven.
Do I reduce the temperature for a fan oven?
Yes, a common rule is to set the fan oven about 20 °C lower than the conventional temperature in the recipe.