-30 °C = -22 °F
-30 degrees Celsius is -22 degrees Fahrenheit exactly.
- Exact
- -22 °F
- Rounded
- -22 °F
- Formula
- -30 × 9/5 + 32
Convert any other temperature
Type in either box; the other follows, and the scale moves with it. Works for decimals and, for temperatures, numbers below zero.
Around -30 °C
Celsius to Fahrenheit for the whole numbers either side of -30, rounded to one decimal place. Each row opens its own page.
| Degrees Celsius | Degrees Fahrenheit |
|---|---|
| -35 °C | -31 °F |
| -34 °C | -29.2 °F |
| -33 °C | -27.4 °F |
| -32 °C | -25.6 °F |
| -31 °C | -23.8 °F |
| -30 °C | -22 °F |
| -29 °C | -20.2 °F |
| -28 °C | -18.4 °F |
| -27 °C | -16.6 °F |
| -26 °C | -14.8 °F |
| -25 °C | -13 °F |
How to convert Celsius to Fahrenheit
The formula
°F = °C × 9/5 + 32. The two scales start from different zero points, so there is a subtraction as well as a multiplication.
Worked through for -30
Multiply by 9/5 (1.8): -30 × 1.8 = -54. Add 32: -54 + 32 = -22. Rounded, that is -22 °F.
In your head
Double it and add 30: 20 °C → 40 + 30 = 70 °F (close enough for weather).
Questions
What is -30 °C in Fahrenheit?
-30 degrees Celsius is -22 degrees Fahrenheit, or -22 °F rounded to one decimal place.
How do you convert degrees Celsius to degrees Fahrenheit?
Use -30 × 9/5 + 32, which gives -22. For a quick estimate: Double it and add 30: 20 °C → 40 + 30 = 70 °F (close enough for weather).
Is -30 °C hot or cold?
-30 °C is -22 °F: bitterly cold, below the temperature of a home freezer.
What is -30 °F in Celsius?
Going the other way, -30 °F is -34.4 °C. The reverse conversion has its own page and converter.
Is the answer exact?
Yes. -30 °C converts to exactly -22 °F; the rounded figure is only for convenience.