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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450 °F = 232.2 °C
Worked example
450 − 32 = 418; 418 × 5/9 = 232.2 °C (recipes usually round this to 230 °C).
This is an oven temperature, close to gas mark 8 (450 °F). For a fan (convection) oven, recipes usually reduce by about 20 °C, to roughly 212 °C.
Nearby values
| Fahrenheit | Celsius |
|---|---|
| 430 °F | 221.1 °C |
| 435 °F | 223.9 °C |
| 440 °F | 226.7 °C |
| 445 °F | 229.4 °C |
| 450 °F | 232.2 °C |
| 455 °F | 235 °C |
| 460 °F | 237.8 °C |
| 465 °F | 240.6 °C |
| 470 °F | 243.3 °C |
Frequently asked questions
What is 450 °F in Celsius?
232.2 °C.