Oven temperature conversion
For a fan-forced oven, reduce the conventional temperature by about 20 °C. 180 °C conventional = 160 °C fan-forced = 350 °F = gas mark 4.
| Conventional | Fan-forced | Fahrenheit | Gas mark |
|---|---|---|---|
| 120 °C | 100 °C | 250 °F | ½ |
| 140 °C | 120 °C | 275 °F | 1 |
| 150 °C | 130 °C | 300 °F | 2 |
| 160 °C | 140 °C | 325 °F | 3 |
| 180 °C | 160 °C | 350 °F | 4 |
| 190 °C | 170 °C | 375 °F | 5 |
| 200 °C | 180 °C | 400 °F | 6 |
| 220 °C | 200 °C | 425 °F | 7 |
| 230 °C | 210 °C | 450 °F | 8 |
| 240 °C | 220 °C | 475 °F | 9 |