CookMeasureWhat 170 °C is used for
170 °C (338 °F) is a moderately cool oven, gas mark 3. It’s typically used for rich fruit cakes, slow-baked cookies and gentle roasting.
The working
170 × 9 ⁄ 5 + 32 = 338.0 °F
Fan or convection oven: reduce by about 20 °C / 25 °F, to 150 °C (302 °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 170 °C in Fahrenheit?
170 °C is 338.0 °F. On an oven dial use 350 °F.
What is 170 °C in a fan oven?
Use about 150 °C (302 °F) in a fan or convection oven.
What gas mark is 170 °C?
Gas mark 3 (moderately cool).