18 Fahrenheit to Celsius
18 degrees Fahrenheit = -7.7777778 degrees Celsius
- What it means
- Below freezing: water freezes at 0 °C (32 °F).
How to convert 18 degrees Fahrenheit to degrees Celsius
Subtract 32 from the Fahrenheit temperature, then multiply by 5/9 (or divide by 1.8).
(°F − 32) × 5/9 → -7.7777778 °C
Rounded to two decimal places, that is -7.78 °C.
18 Fahrenheit in other units
| Unit | Value |
|---|---|
| Celsius (°C) | -7.777777778 |
| Kelvin (K) | 265.3722222 |
| Rankine (°R) | 477.67 |
Nearby values
| Fahrenheit | Celsius |
|---|---|
| 12 Fahrenheit to Celsius | -11.1111 °C |
| 13 Fahrenheit to Celsius | -10.5556 °C |
| 14 Fahrenheit to Celsius | -10 °C |
| 15 Fahrenheit to Celsius | -9.44444 °C |
| 16 Fahrenheit to Celsius | -8.88889 °C |
| 17 Fahrenheit to Celsius | -8.33333 °C |
| 18 °F | -7.77778 °C |
| 19 Fahrenheit to Celsius | -7.22222 °C |
| 20 Fahrenheit to Celsius | -6.66667 °C |
| 21 Fahrenheit to Celsius | -6.11111 °C |
| 22 Fahrenheit to Celsius | -5.55556 °C |
| 23 Fahrenheit to Celsius | -5 °C |
| 24 Fahrenheit to Celsius | -4.44444 °C |
Frequently asked questions
How many degrees Celsius is 18 degrees Fahrenheit?
18 degrees Fahrenheit is -7.7777778 degrees Celsius, or about -7.778 °C.
How do you convert 18 degrees Fahrenheit to degrees Celsius?
Subtract 32 from the Fahrenheit temperature, then multiply by 5/9 (or divide by 1.8). Worked out: (°F − 32) × 5/9 → -7.7777778 °C.
What is -8 degrees Celsius in degrees Fahrenheit?
-8 degrees Celsius is 17.6 degrees Fahrenheit.
Is 18 °F hot or cold?
Below freezing: water freezes at 0 °C (32 °F).