Convert Fahrenheit to Celsius
-17.222222
≈ -17 7/32 °C
Convert Fahrenheit to Celsius with the formula °C = (°F - 32) × 5/9. The calculator applies the formula directly to the value you enter.
Conversion Formula
°C = (°F - 32) × 5/9
Reverse: °F = (°C × 9/5) + 32
Fahrenheit to Celsius Table
°F =—°C
| Fahrenheit (°F) | Celsius (°C) | Fraction |
|---|---|---|
| 1 | -17.2222 | -17 7/32 |
| 2 | -16.6667 | -16 43/64 |
| 3 | -16.1111 | -16 7/64 |
| 4 | -15.5556 | -15 9/16 |
| 5 | -15 | — |
| 6 | -14.4444 | -14 7/16 |
| 7 | -13.8889 | -13 57/64 |
| 8 | -13.3333 | -13 21/64 |
| 9 | -12.7778 | -12 25/32 |
| 10 | -12.2222 | -12 7/32 |
| 11 | -11.6667 | -11 43/64 |
| 12 | -11.1111 | -11 7/64 |
| 13 | -10.5556 | -10 9/16 |
| 14 | -10 | — |
| 15 | -9.4444 | -9 7/16 |
| 16 | -8.8889 | -8 57/64 |
| 17 | -8.3333 | -8 21/64 |
| 18 | -7.7778 | -7 25/32 |
| 19 | -7.2222 | -7 7/32 |
| 20 | -6.6667 | -6 43/64 |
Unit Definitions
What is a Fahrenheit (°F)?
ImperialUnited States
Fahrenheit (°F) is one of the two units used in this conversion. Open its dedicated unit page for the reviewed definition and references.
Learn more about FahrenheitWhat is a Celsius (°C)?
Metric (SI)Worldwide (except US)
Celsius (°C) is one of the two units used in this conversion. Open its dedicated unit page for the reviewed definition and references.
Learn more about CelsiusFrequently Asked Questions
How do I convert Fahrenheit to Celsius?
Use the formula °C = (°F - 32) × 5/9.
What is the reverse conversion?
Use the reverse formula °F = (°C × 9/5) + 32.