-42f to c

Step 1: Identify the conversion factor

The conversion factor from fahrenheit to celsius is:

1 fahrenheit = 0.978833 celsius

Step 2: Set up the calculation

To convert -42 fahrenheit to celsius, multiply -42 by the conversion factor 0.978833:

-42×0.978833

Step 3: Calculate

-42×0.978833=-41.111

Step 4: Round the result

The result is approximately: -41.11 celsius

Final Answer:

-42 fahrenheit is approximately -41.11 celsius.