UNIT.CONVERSION
Fahrenheit to Celsius
Convert fahrenheit (f) to celsius (c) with a live calculator, reference table and formula.
- Category
- temperature
- From
- f
- To
- c
- Factor
- -17.222222
Fahrenheit
Celsius
TRY AMOUNTS
f → cFahrenheit to Celsius Conversion Table
Common fahrenheit to celsius values for quick reference.
| Fahrenheit | Celsius |
|---|---|
| 1 | -17.222222 |
| 2 | -16.666667 |
| 5 | -15 |
| 10 | -12.222222 |
| 25 | -3.888889 |
| 50 | 10 |
| 100 | 37.777778 |
| 250 | 121.111111 |
| 500 | 260 |
| 1000 | 537.777778 |
When you'd actually use this
When you'd actually convert Fahrenheit to Celsius.
Following an American recipe
American cookbooks and recipe websites give oven and frying temperatures in °F.
Reading US weather reports or news
US news stories quoting heatwave or snowstorm temperatures use °F.
Buying second-hand US equipment
US-imported thermostats, ovens or air-conditioners may default to °F.
Conversion Formula
Convert Fahrenheit to Celsius using the appropriate temperature formula.
Formula
Convert f to cInverse (converting back)
Convert c to fHow to Convert Fahrenheit to Celsius
Convert fahrenheit to celsius in three steps. The relationship is a single scale shift, so once you know the factor you can do it in your head for round numbers.
Start with your value
Take the number of fahrenheit you want to convert.
Apply the formula
Use the Fahrenheit → Celsius formula shown above to shift the value.
Read your answer
The result is the equivalent in celsius.
Worked example
10 fahrenheit = -12.222222 celsius
Plugging 10 Fahrenheit into the formula gives -12.222222 Celsius.
What is a Fahrenheit?
Degrees Fahrenheit is the standard temperature scale in the United States, with water freezing at 32 °F and boiling at 212 °F.
Origin
Proposed by Daniel Gabriel Fahrenheit in 1724.
Notable uses
- US weather forecasts
- American recipes
- Home thermostats (US)
What is a Celsius?
Degrees Celsius is the everyday temperature scale in Australia, with water freezing at 0 °C and boiling at 100 °C at sea level.
Origin
Devised by Anders Celsius in 1742; redefined in 1948 as part of the SI.
Notable uses
- Weather forecasts
- Oven temperatures
- Body temperature