0 Fahrenheit = -17.7778 Celsius
All conversions
| Unit | Symbol | Value |
|---|
How to Convert Fahrenheit to Celsius
The formula is °C = (°F − 32) × 5/9 (subtract 32, then divide by 1.8). 0 Fahrenheit = -17.7778 Celsius. Type any value in the converter above for an instant answer, or use the chart below for the most common values.
This page is preset for Fahrenheit to Celsius conversions, but you can switch either list to any of the 6 units in the Temperature Converter, or go the other way with the Celsius to Fahrenheit converter.
Fahrenheit to Celsius conversion chart
| Fahrenheit | Celsius |
|---|---|
| -40 °F | -40 °C |
| -30 °F | -34.444444 °C |
| -20 °F | -28.888889 °C |
| -10 °F | -23.333333 °C |
| 0 °F | -17.777778 °C |
| 10 °F | -12.222222 °C |
| 20 °F | -6.6666667 °C |
| 30 °F | -1.1111111 °C |
| 32 °F | 0 °C |
| 40 °F | 4.4444444 °C |
| 50 °F | 10 °C |
| 60 °F | 15.555556 °C |
| 68 °F | 20 °C |
| 70 °F | 21.111111 °C |
| 80 °F | 26.666667 °C |
| 90 °F | 32.222222 °C |
| 98.6 °F | 37 °C |
| 100 °F | 37.777778 °C |
| 110 °F | 43.333333 °C |
| 120 °F | 48.888889 °C |
| 130 °F | 54.444444 °C |
| 140 °F | 60 °C |
| 150 °F | 65.555556 °C |
| 160 °F | 71.111111 °C |
| 170 °F | 76.666667 °C |
| 180 °F | 82.222222 °C |
| 190 °F | 87.777778 °C |
| 200 °F | 93.333333 °C |
| 210 °F | 98.888889 °C |
| 212 °F | 100 °C |
| 220 °F | 104.44444 °C |
| 230 °F | 110 °C |
| 240 °F | 115.55556 °C |
| 350 °F | 176.66667 °C |
Common Fahrenheit to Celsius conversions
- 0 Fahrenheit = -17.7778 Celsius
- 32 °F = 0 °C
- 68 °F = 20 °C
- 98.6 °F = 37 °C
- 212 °F = 100 °C
- 350 °F = 176.66667 °C
Popular temperature converters
How to Use the Fahrenheit to Celsius Converter
- Type a value in the From box and choose its unit.
- Pick the unit you want in the To list — the result updates as you type.
- Use the swap button to reverse the conversion, or type in the To box to convert backwards.
- Check the All conversions table to see your value in every unit; click a row to make it the target.
Frequently Asked Questions
How do I convert Fahrenheit to Celsius?
Use the formula °C = (°F − 32) × 5/9 (subtract 32, then divide by 1.8). For example, 0 Fahrenheit = -17.7778 Celsius. Or type the value in the converter above and the answer appears as you type.
What is the Fahrenheit to Celsius formula?
°C = (°F − 32) × 5/9 (subtract 32, then divide by 1.8).
What is 32 Fahrenheit in Celsius?
32 Fahrenheit = 0 Celsius.
What is 68 Fahrenheit in Celsius?
68 Fahrenheit = 20 Celsius.
What is 98.6 Fahrenheit in Celsius?
98.6 Fahrenheit = 37 Celsius.
What is 212 Fahrenheit in Celsius?
212 Fahrenheit = 100 Celsius.
What is 350 Fahrenheit in Celsius?
350 Fahrenheit = 176.66667 Celsius.
How do I convert Celsius back to Fahrenheit?
Use the swap button in the converter above, or open our Celsius to Fahrenheit converter. °F = °C × 9/5 + 32 (multiply by 1.8, then add 32).
Is this Fahrenheit to Celsius converter accurate?
Yes. It uses exact unit definitions and double-precision maths, and you can show up to 15 significant digits. The table below is calculated with the same formula.
Can I convert Fahrenheit to other temperature units?
Yes — pick any unit in the From and To lists above, or open the full Temperature Converter, which handles 6 temperature units.
Is the Fahrenheit to Celsius converter free?
Yes, it is free with no sign-up, and every conversion runs in your browser so nothing is sent to a server.