Here is a conversion table for oven temperatures from the onlineconversion website
This chart should be accurate enough for all your cooking needs, though keep in mind the temperatures will vary between different types, brands, sizes of ovens, in addition to your locations altitude, temperature, humidity, etc.
| Gas Mark | Fahrenheit | Celsius | Description |
| 1/4 | 225 | 110 | Very cool/very slow |
| 1/2 | 250 | 130 | — |
| 1 | 275 | 140 | cool |
| 2 | 300 | 150 | — |
| 3 | 325 | 170 | very moderate |
| 4 | 350 | 180 | moderate |
| 5 | 375 | 190 | — |
| 6 | 400 | 200 | moderately hot |
| 7 | 425 | 220 | hot |
| 8 | 450 | 230 | — |
| 9 | 475 | 240 | very hot |
Source onlineconversion website