Where do these numbers come from?
- NISTSP 811 exact unit definitions (1 in = 25.4 mm, 1 lb = 453.59237 g)current edition
- NISTHandbook 44, weights and measurescurrent edition
- King Arthur BakingIngredient Weight Chart (kitchen tools)retrieved Oct 23, 2026
Checked Oct 23, 2026. °F = °C × 9/5 + 32, so 180 °C = 356 °F; ovens usually round this to 350 °F.
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140 °C = 284 °F
Worked example
140 × 9/5 = 252; 252 + 32 = 284 °F.
This is an oven temperature, close to gas mark 1 (275 °F). For a fan (convection) oven, recipes usually reduce by about 20 °C, to roughly 120 °C.
Nearby values
| Celsius | Fahrenheit |
|---|---|
| 130 °C | 266 °F |
| 132 °C | 269.6 °F |
| 134 °C | 273.2 °F |
| 136 °C | 276.8 °F |
| 138 °C | 280.4 °F |
| 140 °C | 284 °F |
| 142 °C | 287.6 °F |
| 144 °C | 291.2 °F |
| 146 °C | 294.8 °F |
| 148 °C | 298.4 °F |
| 150 °C | 302 °F |
Related
Frequently asked questions
What is 140 °C in Fahrenheit?
284 °F.
Is 140 °C hot or cold?
This is an oven temperature, close to gas mark 1 (275 °F). For a fan (convection) oven, recipes usually reduce by about 20 °C, to roughly 120 °C.