Temperature conversion
1 fahrenheit (°F) equals -17.222222222222 celsius (°C). Enter any value below to convert from °F to °C.
Enter a value and choose units. Results update instantly.
1 °F = -17.2222222222 °C
| Unit | Value |
|---|---|
| Celsius °C | -17.2222222222 |
| Fahrenheit °F | 1 |
| Kelvin K | 255.9277777778 |
| Rankine °R | 460.67 |
Formula
Use this relationship for a direct conversion:
10 °F = -12.2222222222 °C.
The kelvin-to-Celsius offset and Fahrenheit scale relationship are exact by definition.
Quick reference
| Fahrenheit (°F) | Celsius (°C) |
|---|---|
| -40 | -40 |
| -20 | -28.8888888889 |
| 0 | -17.7777777778 |
| 10 | -12.2222222222 |
| 20 | -6.6666666667 |
| 37 | 2.7777777778 |
| 50 | 10 |
| 100 | 37.7777777778 |
From unit
A scale where water freezes at 32 degrees and boils near 212 degrees at standard pressure.
Symbol: °F
To unit
A derived temperature scale with 0 degrees at 273.15 kelvins.
Symbol: °C
Keep converting
Source
Definitions are checked against BIPM SI Brochure: thermodynamic temperature. Calculations use full internal precision before display rounding.
View the complete temperature converterQuestions
Use the formula °C = (°F x 0.555555555556) - 17.777777777778. 1 fahrenheit (°F) equals -17.222222222222 celsius (°C).
The kelvin-to-Celsius offset and Fahrenheit scale relationship are exact by definition.
