Gas mark 6
200°C · 400°F · 180°C fan
Moderately hot oven — roast potatoes, pastry, most roasting.
Gas mark 6 in every scale
| Gas mark | 6 |
| Fahrenheit | 400°F (exact — gas mark 6 is defined as this) |
| Celsius, conventional oven | 200°C (the arithmetic conversion is 204.4°C; recipes round it) |
| Celsius, fan oven | 180°C |
| Fahrenheit, fan oven | 356°F |
| Description | Moderately hot |
Frequently asked questions
What is gas mark 6 in Celsius?
200°C in a conventional oven, or 180°C in a fan oven.
What is gas mark 6 in Fahrenheit?
400°F, exactly — gas mark 6 is defined as 400°F.
Why is gas mark 6 called 200°C when 400°F is 204.4°C?
Because 204.4°C is not a number an oven dial can be set to. Recipes round to the nearest ten, and the rounded figure is the convention everywhere — the -4.4 degree difference is well inside the accuracy of a domestic thermostat.
What is gas mark 6 used for?
Moderately hot — roast potatoes, pastry, most roasting.
The settings either side
| Gas mark | Fahrenheit | Celsius | Fan / convection | |
|---|---|---|---|---|
| 5 | 375°F | 190°C | 170°C fan | Moderately hot |
| 6 | 400°F | 200°C | 180°C fan | Moderately hot |
| 7 | 425°F | 220°C | 200°C fan | Hot |
The full chart, and why the three scales disagree →
All oven temperatures · 200°C to °F precisely · Cooking measurements