30 °C = 86 °F
30 degrees Celsius is 86 degrees Fahrenheit exactly.
- Exact
- 86 °F
- Rounded
- 86 °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 |
|---|---|
| 25 °C | 77 °F |
| 26 °C | 78.8 °F |
| 27 °C | 80.6 °F |
| 28 °C | 82.4 °F |
| 29 °C | 84.2 °F |
| 30 °C | 86 °F |
| 31 °C | 87.8 °F |
| 32 °C | 89.6 °F |
| 33 °C | 91.4 °F |
| 34 °C | 93.2 °F |
| 35 °C | 95 °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 = 86. Rounded, that is 86 °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 86 degrees Fahrenheit, or 86 °F rounded to one decimal place.
How do you convert degrees Celsius to degrees Fahrenheit?
Use 30 × 9/5 + 32, which gives 86. 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 86 °F: hot weather.
What is 30 °F in Celsius?
Going the other way, 30 °F is -1.1 °C. The reverse conversion has its own page and converter.
Is the answer exact?
Yes. 30 °C converts to exactly 86 °F; the rounded figure is only for convenience.