25 Fahrenheit to Celsius
25 °F = -3.888889 °C. Change the amount below, or read the formula and the reference table further down.
25 Fahrenheit equals
Celsius
1 °F = -17.222222 °C
The formula
Fahrenheit and Celsius do not share a zero point, so the conversion needs an offset as well as a scale factor.
°C = (°F × 0.55555556 − 17.777778 − 0) ÷ 1
Going the other way? Convert Celsius to Fahrenheit.
Fahrenheit to Celsius table
Values either side of 25 °F.
| Fahrenheit (°F) | Celsius (°C) |
|---|---|
| 15 | -9.4444 |
| 16 | -8.8889 |
| 17 | -8.3333 |
| 18 | -7.7778 |
| 19 | -7.2222 |
| 20 | -6.6667 |
| 21 | -6.1111 |
| 22 | -5.5556 |
| 23 | -5 |
| 24 | -4.4444 |
| 25 | -3.8889 |
| 26 | -3.3333 |
| 27 | -2.7778 |
| 28 | -2.2222 |
| 29 | -1.6667 |
| 30 | -1.1111 |
| 31 | -0.555556 |
| 32 | 0 |
| 33 | 0.555556 |
| 34 | 1.1111 |
| 35 | 1.6667 |
Questions people ask
- What is 1 °F in Celsius?
- 1 °F is -17.222222 °C. The two scales have different zero points, so the gap between them is not a fixed ratio.
- How do I convert Fahrenheit to Celsius by hand?
- These scales have different zero points, so you cannot use a single multiplier. Apply °C = (°F × 0.55555556 − 17.777778 − 0) ÷ 1.
- What is 25 Fahrenheit in Celsius?
- 25 Fahrenheit is -3.888889 Celsius.
Calcuit generates this page from a unit table, so the factors here match every other page on the site.