−18 Fahrenheit to Celsius
-18 degrees Fahrenheit = -27.777778 degrees Celsius
- What it means
- Colder than 0 °F (−17.8 °C): severe frost.
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 → -27.777778 °C
Rounded to two decimal places, that is -27.78 °C.
−18 Fahrenheit in other units
| Unit | Value |
|---|---|
| Celsius (°C) | -27.77777778 |
| Kelvin (K) | 245.3722222 |
| Rankine (°R) | 441.67 |
Nearby values
| Fahrenheit | Celsius |
|---|---|
| −24 Fahrenheit to Celsius | -31.1111 °C |
| −23 Fahrenheit to Celsius | -30.5556 °C |
| −22 Fahrenheit to Celsius | -30 °C |
| −21 Fahrenheit to Celsius | -29.4444 °C |
| −20 Fahrenheit to Celsius | -28.8889 °C |
| −19 Fahrenheit to Celsius | -28.3333 °C |
| −18 °F | -27.7778 °C |
| −17 Fahrenheit to Celsius | -27.2222 °C |
| −16 Fahrenheit to Celsius | -26.6667 °C |
| −15 Fahrenheit to Celsius | -26.1111 °C |
| −14 Fahrenheit to Celsius | -25.5556 °C |
| −13 Fahrenheit to Celsius | -25 °C |
| −12 Fahrenheit to Celsius | -24.4444 °C |
Frequently asked questions
How many degrees Celsius is -18 degrees Fahrenheit?
-18 degrees Fahrenheit is -27.777778 degrees Celsius, or about -27.78 °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 → -27.777778 °C.
What is -28 degrees Celsius in degrees Fahrenheit?
-28 degrees Celsius is -18.4 degrees Fahrenheit.
Is −18 °F hot or cold?
Colder than 0 °F (−17.8 °C): severe frost.