At -40 Celsius and Fahrenheit are the same temperature.
Negative 40 degrees is the temperature that will be the same on Fahrenheit and Celsius scales.
- 40 is the same in both Celsius and Fahrenheit scales. Temperature Fahrenheit = Temperature Celsius(1.80) + 32
One degree Celsius indicates the same temperature change as one kelvin.
Celsius and Fahrenheit are the same only at -40 degrees to my knowledge.
When the temperature is minus 40.
the temperature where Fahrenheit and Celsius scale show the same numeric value is - 40
Add 273.15 to the number of Celsius degrees to get the same temperature in Kelvins.