9 °F ≈ -12.7778 °C. Formula: °C = (°F − 32) × 5/9, so (9 − 32) × 5/9 = -12.7778 °C.
How to convert Degrees Fahrenheit to Degrees Celsius
°C = (°F − 32) × 5/9
- Start with 9 °F.
- Apply the formula: (9 − 32) × 5/9 = -12.7778.
- Answer: 9 °F ≈ -12.7778 °C.
Degrees Fahrenheit to Degrees Celsius table
| Degrees Fahrenheit (°F) | Degrees Celsius (°C) |
|---|---|
| 4 °F | -15.5556 °C |
| 5 °F | -15 °C |
| 6 °F | -14.4444 °C |
| 7 °F | -13.8889 °C |
| 8 °F | -13.3333 °C |
| 9 °F | -12.7778 °C |
| 10 °F | -12.2222 °C |
| 11 °F | -11.6667 °C |
| 12 °F | -11.1111 °C |
| 13 °F | -10.5556 °C |
| 14 °F | -10 °C |
| °F | °C |
|---|---|
| 1 °F | -17.2222 °C |
| 5 °F | -15 °C |
| 10 °F | -12.2222 °C |
| 50 °F | 10 °C |
| 100 °F | 37.7778 °C |
| 1,000 °F | 537.778 °C |
Good to know
°F = °C × 9/5 + 32 and °C = (°F − 32) × 5/9. K = °C + 273.15.
Water freezes at 0 °C (32 °F) and boils at 100 °C (212 °F) at sea level.