-1°F in Celsius = -18.33°C
-18.33°C
-1 Fahrenheit is exactly equal to -18.33 degrees C.
Need to convert a different value?
Open Full Converter →Conversion Formula
(-1 - 32) × 5/9 = -18.33
To convert Fahrenheit to Celsius, apply this formula to any value.
Nearby Values
| Fahrenheit (°F) | Celsius (°C) |
|---|---|
| -6 °F | -21.11 °C |
| -5 °F | -20.56 °C |
| -4 °F | -20 °C |
| -3 °F | -19.44 °C |
| -2 °F | -18.89 °C |
| -1 °F | -18.33 °C |
| 0 °F | -17.78 °C |
| 1 °F | -17.22 °C |
| 2 °F | -16.67 °C |
| 3 °F | -16.11 °C |
| 4 °F | -15.56 °C |
Convert Any Value
Need to convert a different Fahrenheit value? Use our full interactive converter:
Open Temperature ConverterFrequently Asked Questions
What is -1 Fahrenheit in Celsius?
-1 Fahrenheit is equal to -18.33 degrees C. The formula used is: (-1 - 32) × 5/9 = -18.33.
How do you convert Fahrenheit to Celsius?
To convert Fahrenheit to Celsius, use the formula: (-1 - 32) × 5/9 = -18.33. You can also use our interactive converter tool for any value.