Conversion table: Fahrenheit (°F) to Celsius (°C)
| Fahrenheit (°F) | Celsius (°C) |
|---|---|
| -40 | -40 |
| -20 | -28.8889 |
| -10 | -23.3333 |
| 0 | -17.7778 |
| 10 | -12.2222 |
| 20 | -6.6667 |
| 25 | -3.8889 |
| 30 | -1.1111 |
| 37 | 2.7778 |
| 40 | 4.4444 |
| 50 | 10 |
| 100 | 37.7778 |
How to use the Fahrenheit to Celsius
- 1 Choose a category, such as length or temperature.
- 2 Enter the value and pick the unit to convert from and to.
- 3 Read the result; use the ⇄ button to swap the units.
Formula
°C = (°F − 32) × 5/9
Subtract 32 first, then multiply by 5/9 (about 0.556). For example, 100 °F − 32 = 68, × 5/9 = 37.8 °C.
Oven temperatures
| °F | °C | Use |
|---|---|---|
| 325 °F | 163 °C | slow baking |
| 350 °F | 177 °C | cakes, cookies |
| 400 °F | 204 °C | roasting vegetables |
| 450 °F | 232 °C | pizza, bread |
Many European ovens are set in steps of 10 °C, so round to the nearest setting.
Frequently asked questions
What is 100 °F in Celsius?
100 °F is 37.8 °C – a mild fever in body-temperature terms.
What is 350 °F in Celsius?
350 °F is 176.7 °C, usually set as 175–180 °C.
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