Temperature conversion
-42 °F to °C
-41.11 °C
-42 degrees Fahrenheit = -41.11 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: (-42 − 32) × 5/9 = -41.11 °C.
Values near -42 °F
| °F | °C |
|---|---|
| -45 | -42.78 |
| -44 | -42.22 |
| -43 | -41.67 |
| -42this page | -41.11 |
| -41 | -40.56 |
| -40 | -40 |
| -39 | -39.44 |
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 -42 °F in °C?
-42 °F equals -41.11 °C. The reference table below shows the values immediately around -42 °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.