Convert Fahrenheit to Celsius (°F to °C)
Convert fahrenheit to celsius instantly. Formula: °C = (°F − 32) × 5/9. Free fahrenheit-to-celsius converter with table and formula.
Convert degrees Fahrenheit to degrees Celsius instantly with this free online converter. The conversion uses the formula °C = (°F − 32) × 5/9. Type any value and the converted result appears immediately — no signup, and everything runs privately in your browser.
The Fahrenheit scale is used for daily weather in the United States; water freezes at 32°F and boils at 212°F. The Celsius scale sets 0° at the freezing point of water and 100° at its boiling point at sea level. This conversion is used constantly for temperature readings in weather, cooking, science, and medicine. It bridges the imperial/US customary system and the metric system, which is why this conversion comes up so often.
-17.2222221255.927778Conversion formula
°C = (°F − 32) × 5/9Conversion table
| Value | Converted |
|---|---|
| -40 °F | -40 °C |
| 0 °F | -17.77778 °C |
| 10 °F | -12.22222 °C |
| 20 °F | -6.666667 °C |
| 37 °F | 2.777778 °C |
| 100 °F | 37.77778 °C |
| 212 °F | 100 °C |
Frequently Asked Questions
What is 20°F in °C?
20°F equals -6.666667°C. Apply the formula °C = (°F − 32) × 5/9.
How do you convert degrees Fahrenheit to degrees Celsius?
Use the formula °C = (°F − 32) × 5/9. For example, 20°F works out to -6.666667°C.
At what point are degrees Fahrenheit and degrees Celsius equal?
Celsius and Fahrenheit read the same at −40°: −40°C = −40°F.
Is this fahrenheit to celsius converter free and private?
Yes. It is completely free, requires no signup, and the conversion happens entirely in your browser — no values are sent to any server.
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