To convert degrees Fahrenheit (°F) to degrees Celsius (°C), you can use the following formula:

°C = (°F - 32) x 5/9

So, 1 degree Fahrenheit (°F) is equal to:

°C = (1 °F - 32) x 5/9

°C = (-31 °F) x 5/9

°C = -17.22 °C

Therefore, 1 degree Fahrenheit is equal to -17.22 degrees Celsius.