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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425 °F = 218.3 °C
Worked example
425 − 32 = 393; 393 × 5/9 = 218.3 °C (recipes usually round this to 220 °C).
This is an oven temperature, close to gas mark 7 (425 °F). For a fan (convection) oven, recipes usually reduce by about 20 °C, to roughly 198 °C.
Nearby values
| Fahrenheit | Celsius |
|---|---|
| 405 °F | 207.2 °C |
| 410 °F | 210 °C |
| 415 °F | 212.8 °C |
| 420 °F | 215.6 °C |
| 425 °F | 218.3 °C |
| 430 °F | 221.1 °C |
| 435 °F | 223.9 °C |
| 440 °F | 226.7 °C |
| 445 °F | 229.4 °C |
Frequently asked questions
What is 425 °F in Celsius?
218.3 °C.

