Here is an easy oven temperature conversion chart. Whether you need to convert temperatures to Celsius, Fahrenheit, Gas Mark or for Fan Ovens.
| Gas Mark | Celsius (°C) | Fahrenheit (°F) | Terminology |
| 1 | 135 | 275 | Very Cool |
| 2 | 150 | 300 | Cool |
| 3 | 160 | 325 | Warm |
| 4 | 175 | 350 | Moderate |
| 5 | 190 | 375 | Moderate |
| 6 | 200 | 400 | Moderate/Hot |
| 7 | 220 | 425 | Hot |
| 8 | 230 | 450 | Hot |
| 9 | 245 | 475 | Hot |
| 10 | 260 | 500 | Very Hot |