CookMeasureWhat 400 °F is used for
400 °F (204 °C) is a hot oven, gas mark 6. It’s typically used for roasting vegetables and chicken, scones and puff pastry.
The working
(400 − 32) × 5 ⁄ 9 = 204.4 °C
Fan or convection oven: reduce by about 20 °C / 25 °F, to 184 °C (364 °F), or keep the temperature and check for doneness 5–10 minutes early.
Full oven chart
| °F | °C | Fan °C | Gas mark | Description |
|---|---|---|---|---|
| 225 | 110 | 90 | ¼ | Very cool |
| 250 | 120 | 100 | ½ | Very cool |
| 275 | 140 | 120 | 1 | Cool |
| 300 | 150 | 130 | 2 | Cool |
| 325 | 160 | 140 | 3 | Moderately cool |
| 350 | 180 | 160 | 4 | Moderate |
| 375 | 190 | 170 | 5 | Moderately hot |
| 400 | 200 | 180 | 6 | Hot |
| 425 | 220 | 200 | 7 | Hot |
| 450 | 230 | 210 | 8 | Very hot |
| 475 | 240 | 220 | 9 | Very hot |
Questions cooks ask
What is 400 °F in Celsius?
400 °F is 204.4 °C. On an oven dial use 200 °C.
What is 400 °F in a fan oven?
Use about 184 °C (364 °F) in a fan or convection oven.
What gas mark is 400 °F?
Gas mark 6 (hot).