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What temperature is thermostat 8?
Thermostat 8 is 240 °C (464 °F, about 475 °F on a US dial). In a fan oven use 220 °C; that’s gas mark 9.
From
240 °C = 475 °F
- Conventional °C240 °C
- Fan / convection220 °C
- Fahrenheit464 °F (≈ 475 °F)
- Gas mark9
- Thermostat (France)8
- Air fryer225 °C / 440 °F, ~20% less time
Fan (convection) ovens cook hotter, so set them about 20 °C lower (25 °F in American recipes). Every oven runs a little differently — an oven thermometer shows the real temperature.
Oven temperature chart:
| °C | Fan °C | °F | Gas | Th. |
|---|---|---|---|---|
| 110 °C | 90 °C | 225 °F | ¼ | 3.5 |
| 120 °C | 100 °C | 250 °F | ½ | 4 |
| 140 °C | 120 °C | 275 °F | 1 | 4.5 |
| 150 °C | 130 °C | 300 °F | 2 | 5 |
| 160 °C | 140 °C | 325 °F | 3 | 5.5 |
| 170 °C | 150 °C | 350 °F | 3 | 5.5 |
| 180 °C | 160 °C | 350 °F | 4 | 6 |
| 190 °C | 170 °C | 375 °F | 5 | 6.5 |
| 200 °C | 180 °C | 400 °F | 6 | 6.5 |
| 220 °C | 200 °C | 425 °F | 7 | 7.5 |
| 230 °C | 210 °C | 450 °F | 8 | 7.5 |
| 240 °C | 220 °C | 475 °F | 9 | 8 |
| 250 °C | 230 °C | 475 °F | 9 | 8.5 |
Popular temperatures:
How to convert oven temperatures:
- Type the temperature
straight from the recipe.
- Pick what it’s in
°C, fan °C, °F, gas mark or thermostat.
- Read off your setting
for your oven — or your air fryer.
Questions:
- What temperature is thermostat 8?
- Thermostat 8 is 240 °C (464 °F, about 475 °F on a US dial). In a fan oven use 220 °C; that’s gas mark 9.
- Fan or conventional?
- Unless the recipe says “fan” or “convection”, it means a conventional oven with top and bottom heat. For a fan oven, go about 20 °C lower.
- Why does my oven still burn things?
- Many ovens run 10–20 degrees off what the dial says. An inexpensive oven thermometer shows the real temperature.
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