Oven Temperature Converter
Celsius, Fahrenheit, fan and gas mark equivalents.
Enter your values
Enter the temperature you are working with.
Choose one of: Celsius (conventional), Fahrenheit, Celsius (fan), Gas mark.
Results update instantly as you type — no submit needed. Your values are remembered on this device, and the shareable link reopens the calculator with exactly these numbers.
- Conventional oven
- 175 °C
- Fahrenheit
- 350 °F
- Fan / convection
- 155 °C
- Gas mark
- 5
- Description
- Moderate
Quick answer
A fan oven runs about 20°C cooler than a conventional oven for the same result, and gas mark 4 equals 180°C or 350°F.
At a glance
| What it does | Celsius, Fahrenheit, fan and gas mark equivalents. |
|---|---|
| Category | Food |
| Inputs needed | Temperature, Given in |
| Main output | Conventional oven |
| Cost | Free — no sign-up, no download |
How to use the Oven Temperature Converter
- 1Enter the temperature from your recipe.
- 2Select which scale it uses.
- 3Read the setting for your own oven.
Inputs explained
- Temperature
- Enter the temperature you are working with.
- Given in
- Choose one of: Celsius (conventional), Fahrenheit, Celsius (fan), Gas mark.
Worked example
Using the values the calculator loads with:
Inputs
- Temperature350
- Given inFahrenheit
Results
- Conventional oven175 °C
- Fahrenheit350 °F
- Fan / convection155 °C
- Gas mark5
- DescriptionModerate
Frequently asked questions
Do I really reduce 20°C for a fan oven?
Yes. Moving air transfers heat faster, so a fan oven browns and cooks more quickly at the same dial setting.
What is gas mark 6?
200°C or 400°F — a hot oven used for roasting and pastry.
What do I need to enter into the Oven Temperature Converter?
Just 2 values: temperature, given in. Every field starts with a realistic example, so you can change one number at a time and watch the result update instantly.
How does the Oven Temperature Converter work out the answer?
A fan oven runs about 20°C cooler than a conventional oven for the same result, and gas mark 4 equals 180°C or 350°F. The working is shown step by step so you can verify the result by hand.
Is the Oven Temperature Converter free, and do I need an account?
It is completely free with no sign-up, no download and no usage limit. Everything is calculated in your browser, so the numbers you type never leave your device.
Results are estimates for general information. For medical, legal, structural or financial decisions, confirm with a qualified professional.