5 °F = -15 °C
5 degrees Fahrenheit is -15 degrees Celsius exactly.
- Exact
- -15 °C
- Rounded
- -15 °C
- Formula
- (5 − 32) × 5/9
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 5 °F
Fahrenheit to Celsius for the whole numbers either side of 5, rounded to one decimal place. Each row opens its own page.
| Degrees Fahrenheit | Degrees Celsius |
|---|---|
| 0 °F | -17.8 °C |
| 1 °F | -17.2 °C |
| 2 °F | -16.7 °C |
| 3 °F | -16.1 °C |
| 4 °F | -15.6 °C |
| 5 °F | -15 °C |
| 6 °F | -14.4 °C |
| 7 °F | -13.9 °C |
| 8 °F | -13.3 °C |
| 9 °F | -12.8 °C |
| 10 °F | -12.2 °C |
How to convert Fahrenheit to Celsius
The formula
°C = (°F − 32) × 5/9. The two scales start from different zero points, so there is a subtraction as well as a multiplication.
Worked through for 5
Subtract 32: 5 − 32 = -27. Multiply by 5/9: -27 × 5 ÷ 9 = -15. Rounded, that is -15 °C.
In your head
Take away 30 and halve it: 70 °F → 40 ÷ 2 = 20 °C (close enough for weather).
Questions
What is 5 °F in Celsius?
5 degrees Fahrenheit is -15 degrees Celsius, or -15 °C rounded to one decimal place.
How do you convert degrees Fahrenheit to degrees Celsius?
Use (5 − 32) × 5/9, which gives -15. For a quick estimate: Take away 30 and halve it: 70 °F → 40 ÷ 2 = 20 °C (close enough for weather).
Is 5 °F hot or cold?
5 °F is -15 °C: below freezing; water turns to ice.
What is 5 °C in Fahrenheit?
Going the other way, 5 °C is 41 °F. The reverse conversion has its own page and converter.
Is the answer exact?
Yes. 5 °F converts to exactly -15 °C; the rounded figure is only for convenience.