9 f to c

Step 1: Identify the conversion factor

The conversion factor from fahrenheit to celsius is:

1 fahrenheit = -1.42 celsius

Step 2: Set up the calculation

To convert 9 fahrenheit to celsius, multiply 9 by the conversion factor -1.42:

9×-1.42

Step 3: Calculate

9×-1.42=-12.778

Step 4: Round the result

The result is approximately: -13 celsius

Final Answer:

9 fahrenheit is approximately -13 celsius.