Temperature conversion
9 °F to °C
-12.78 °C
9 degrees Fahrenheit = -12.78 degrees Celsius. Exact factor: °C = (°F − 32) × 5/9.
Live converter
Edit either field — the other updates instantly. Type decimal values like 38.4.
The formula
°C = (°F − 32) × 5/9
Worked example: (9 − 32) × 5/9 = -12.78 °C.
Values near 9 °F
| °F | °C |
|---|---|
| 6 | -14.44 |
| 7 | -13.89 |
| 8 | -13.33 |
| 9this page | -12.78 |
| 10 | -12.22 |
| 11 | -11.67 |
| 12 | -11.11 |
Frequently asked
How do you convert degrees Fahrenheit to degrees Celsius?
Apply the formula °C = (°F − 32) × 5/9. Enter any value in the live converter above and the result updates as you type.
What is 9 °F in °C?
9 °F equals -12.78 °C. The reference table below shows the values immediately around 9 °F.
Why does temperature conversion add 32?
The two scales have different zero points and step sizes. Water freezes at 32 °F but 0 °C, so the formula rescales by 5/9 and shifts by the 32-degree offset.