400 °F to Celsius
400 °F = 204.4 °C
In recipes: 200 °C. Fan oven: 184 °C. Gas mark 6. Typically used for bread, puff pastry, scones and roasted vegetables.
°F
Fan (convection) ovens run hotter at the same setting, so recipes usually drop the temperature by about 20 °C (25 °F).
- Fahrenheit
- 400°F
- Celsius
- 204°C
- Fan / convection
- 184°C
- Gas mark
- 6
Exact: 204.4 °C = 400.0 °F. Recipes round to the nearest 5 or 10 degrees, and so do oven dials.
How it’s calculated
(400 − 32) × 5 ÷ 9 = 204.44 °C.
If your oven is a fan or convection model, lower the setting by about 20 °C, or keep it and start checking 5–10 minutes early.
Other temperatures
Questions bakers ask
What is 400 °F in Celsius?
400 °F is 204.4 °C. Recipes usually round this to 200 °C.
What is 400 °F in a fan oven?
About 184 °C (375 °F) in a fan or convection oven, roughly 20 °C lower than a conventional oven.
What gas mark is 400 °F?
Gas mark 6 (200 °C / 400 °F) is the closest setting.