Oven Temperature Converter: °C to °F, Fan to Gas Mark Guide

There are many types of ovens, and this oven temperature conversion guide removes the guesswork when switching between styles and systems.

Use it to convert temperatures for gas and electric ovens, fan (convection) ovens and conventional ovens.

It also covers UK–US conversions, including Celsius to Fahrenheit and gas mark equivalents.

Jump to the conversion you need or print the chart to keep a handy temperature cheat sheet in your kitchen.

Oven Conversion Table

Below is a simple oven conversion table that brings together the most common temperature conversions: fan oven, conventional oven, Fahrenheit and gas mark.

Keep this chart to hand when following recipes from different countries or appliance types.

Fan Oven °C	Conventional Oven °C	°F	Gas Mark
120	140	275	1
130	150	300	2
150	170	325	3
160	180	350	4
170	190	375	5
180	200	400	6
200	220	425	7
210	230	450	8
220	240	475	9

F to C

Common Fahrenheit to Celsius conversions, including fan oven equivalents.

C to F

The same conversions shown from Celsius (fan and conventional) to Fahrenheit.

Electric Oven to Fan Conversion

To adapt a recipe for a fan (convection) oven from a regular electric oven, lower the temperature by about 20°C. The table below shows common equivalents.

Electric Fan Oven	Electric Oven (no fan)
130°C	150°C
150°C	170°C
160°C	180°C
170°C	190°C
180°C	200°C
200°C	220°C
210°C	230°C
220°C	240°C

What’s the difference between Celsius and Centigrade?

Celsius and centigrade are two names for the same temperature scale. The term “centigrade” was largely replaced by “Celsius” in scientific use, but both are commonly understood to mean degrees Celsius (°C).

Printable Oven Temperature Conversion Chart

You can print or pin this chart for quick reference. Keep it bookmarked in your browser or printed out in the kitchen for easy access when converting oven temperatures.

C to Gas Mark

Convert Celsius to gas mark using these fan and conventional equivalents.

F to Gas Mark

Fahrenheit to gas mark conversions for common baking temperatures.

What is a Fan-assisted Oven?

A fan-assisted oven—also called a convection, fan-forced or electric fan oven—uses heating elements at the top and bottom plus a fan to circulate hot air. This promotes more even cooking and often reduces cooking time.

Fan ovens are particularly good for roasting and achieving crisp results, and they let you cook on multiple shelves without compromising evenness.

Do Americans have fan-assisted ovens?

Many American home ovens are not convection models, so when using US recipes you may need to convert temperatures. Adjustments are straightforward using the tables above.

What is a Conventional Oven?

A conventional oven heats the air inside using top and bottom elements without a circulating fan. The bottom element is typically used for general cooking and baking, while the top element helps with browning and crisping.

For delicate bakes like sponge cakes, many bakers prefer conventional mode to avoid excessive circulation that can affect texture.

What oven do we use?

Our recipes are tested using a Britannia fan-assisted electric double range oven. We also use a gas oven when cooking on the road in our motorhome, and our recipes are checked on a variety of appliances by friends and family.

Cooking across different ovens and countries can be confusing, so these conversion tables are designed to help you convert easily between Celsius, Fahrenheit and gas mark. Share or print this guide to make conversions quick next time you cook.