Gas mark 7
220°C · 425°F · 200°C fan
Hot oven — browning, puff pastry, scones.
Gas mark 7 in every scale
| Gas mark | 7 |
| Fahrenheit | 425°F (exact — gas mark 7 is defined as this) |
| Celsius, conventional oven | 220°C (the arithmetic conversion is 218.3°C; recipes round it) |
| Celsius, fan oven | 200°C |
| Fahrenheit, fan oven | 392°F |
| Description | Hot |
Frequently asked questions
What is gas mark 7 in Celsius?
220°C in a conventional oven, or 200°C in a fan oven.
What is gas mark 7 in Fahrenheit?
425°F, exactly — gas mark 7 is defined as 425°F.
Why is gas mark 7 called 220°C when 425°F is 218.3°C?
Because 218.3°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 1.7 degree difference is well inside the accuracy of a domestic thermostat.
What is gas mark 7 used for?
Hot — browning, puff pastry, scones.
The settings either side
| Gas mark | Fahrenheit | Celsius | Fan / convection | |
|---|---|---|---|---|
| 6 | 400°F | 200°C | 180°C fan | Moderately hot |
| 7 | 425°F | 220°C | 200°C fan | Hot |
| 8 | 450°F | 230°C | 210°C fan | Very hot |
The full chart, and why the three scales disagree →
All oven temperatures · 220°C to °F precisely · Cooking measurements