Fahrenheit to Celsius Converter
Convert Fahrenheit (F) to Celsius (C) instantly with this temperature converter. Use the calculator above, then check the formula, worked examples, table, and manual steps below.
Formula
C = (F - 32) × 5/9
Use the temperature formula to convert Fahrenheit values to Celsius.
Example Conversions
0 Fahrenheit (F)
-17.77777778 Celsius (C)
1 Fahrenheit (F)
-17.22222222 Celsius (C)
25 Fahrenheit (F)
-3.888888889 Celsius (C)
100 Fahrenheit (F)
37.77777778 Celsius (C)
212 Fahrenheit (F)
100 Celsius (C)
Conversion Table
| Fahrenheit (F) | Celsius (C) |
|---|---|
| 0 | -17.77777778 |
| 1 | -17.22222222 |
| 10 | -12.22222222 |
| 20 | -6.666666667 |
| 25 | -3.888888889 |
| 32 | 0 |
| 37 | 2.777777778 |
| 50 | 10 |
| 75 | 23.88888889 |
| 100 | 37.77777778 |
| 212 | 100 |
| 273.15 | 133.9722222 |
How to Convert Manually
Use these steps to convert Fahrenheit values to Celsius without the calculator.
- Write down the value in Fahrenheit (F) that you want to convert.
- Apply the formula: C = (F - 32) × 5/9.
- For example, converting 10 Fahrenheit gives -12.22222222 Celsius.
- Label the result as Celsius (C).
About Fahrenheit and Celsius
Converting Fahrenheit to Celsius is common in temperature applications, engineering, and everyday life. Whether you are translating specifications from international manuals, completing homework, or planning a project, having an accurate F to C calculation ensures your measurements are correct.
The Fahrenheit is a unit of temperature.
The Celsius is also a temperature unit.
Precision and Rounding: Temperature scales often require precision up to two decimal places for scientific calculations, though whole numbers are usually sufficient for weather and everyday cooking.
Worked Example
15 Fahrenheit equals -9.444444444 Celsius.
15 F -> -9.444444444 C
FAQ
How do I convert Fahrenheit to Celsius?
Use the temperature formula to convert Fahrenheit values to Celsius.
What is the formula for Fahrenheit to Celsius?
The formula is C = (F - 32) × 5/9.
How many Celsius are in 1 Fahrenheit?
1 Fahrenheit equals -17.22222222 Celsius.
Can I convert Celsius back to Fahrenheit?
Yes. 1 Celsius equals 33.8 Fahrenheit, and the related converter can reverse the calculation.
What are common names for Fahrenheit and Celsius?
Fahrenheit is shown as F and may also be searched as fahrenheit, °F. Celsius is shown as C and may also be searched as celsius, centigrade, °C.
Was this page helpful?
Let us know if this converter met your needs.