Temperature conversion
30 °F to °C
-1.11 °C
30 degrees Fahrenheit = -1.11 degrees Celsius. Exact factor: °C = (°F − 32) × 5/9.
Live converter
Edit either field — the other updates instantly. Type decimal values like 38.4.
The formula
°C = (°F − 32) × 5/9
Worked example: (30 − 32) × 5/9 = -1.11 °C.
Values near 30 °F
| °F | °C |
|---|---|
| 27 | -2.78 |
| 28 | -2.22 |
| 29 | -1.67 |
| 30this page | -1.11 |
| 31 | -0.56 |
| 32 | 0 |
| 33 | 0.56 |
Frequently asked
How do you convert degrees Fahrenheit to degrees Celsius?
Apply the formula °C = (°F − 32) × 5/9. Enter any value in the live converter above and the result updates as you type.
What is 30 °F in °C?
30 °F equals -1.11 °C. The reference table below shows the values immediately around 30 °F.
Why does temperature conversion add 32?
The two scales have different zero points and step sizes. Water freezes at 32 °F but 0 °C, so the formula rescales by 5/9 and shifts by the 32-degree offset.