-40 c in f

Step 1: Identify the conversion factor

The conversion factor from celsius to fahrenheit is:

1 celsius = 1 fahrenheit

Step 2: Set up the calculation

To convert -40 celsius to fahrenheit, multiply -40 by the conversion factor 1:

-40×1

Step 3: Calculate

-40×1=-40

Step 4: Round the result

The result is approximately: -40 fahrenheit

Final Answer:

-40 celsius is approximately -40 fahrenheit.