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140°C to Fahrenheit
284°Fahrenheit
140°C = 284°F · nearest US oven mark 275°F
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| What | Temperature |
|---|---|
| Exact conversion | 284°F |
| Nearest US oven mark | 275°F |
| If "fan" was specified | conventional ≈ 160°C / 320°F |
The formula: °C × 9⁄5 + 32 = °F, so 140°C = 284°F. US oven dials move in 25°F steps — use 275°F.
If the recipe is British or European and says "fan" or "fan-assisted", it already accounts for convection: on a US conventional oven, add back ~20°C worth (about 35°F).
Oven temperature chart
| Fahrenheit | Celsius | Fan oven | Gas mark |
|---|---|---|---|
| 250°F | 121°C | 100°C | — |
| 275°F | 135°C | 115°C | Gas 1 |
| 300°F | 149°C | 130°C | Gas 2 |
| 325°F | 163°C | 145°C | Gas 3 |
| 350°F | 177°C | 155°C | Gas 4 |
| 375°F | 191°C | 170°C | Gas 5 |
| 400°F | 204°C | 185°C | Gas 6 |
| 425°F | 218°C | 200°C | Gas 7 |
| 450°F | 232°C | 210°C | Gas 8 |
| 475°F | 246°C | 225°C | Gas 9 |
| 500°F | 260°C | 240°C | — |
More temperatures
120°C to °F150°C to °F160°C to °F170°C to °F180°C to °F190°C to °F200°C to °F210°C to °F220°C to °F230°C to °F240°C to °F250°F to °C275°F to °C300°F to °C325°F to °C350°F to °C375°F to °C
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