About Fahrenheit to Celsius Conversion
This tool converts Fahrenheit (°F) to Celsius (°C) instantly and accurately. Just type a value and the equivalent appears in real time — useful for everyday checks, study, cooking, and technical work alike.
°C = (°F − 32) × 5/9Why Use This Converter
- Plan travel and pack right for any destination's climate
- Read weather forecasts and news from other regions
- Follow recipes that list oven temperatures in another scale
Common Use Cases
Weather & Travel
Cooking & Recipes
Global Communication
How to Use the Converter
Enter the Fahrenheit value
Type your temperature in the input field. Decimals and negative values are fully supported.
Read the Celsius result
The equivalent in Celsius appears instantly as you type — no calculate button needed.
Copy or swap
Click copy to save the result to your clipboard, or use the swap button to reverse the direction and convert Celsius back to Fahrenheit.
Quick Reference Points
| Fahrenheit | Celsius |
|---|---|
| 95°F | 35°C |
| 98.6°F | 37°C |
| 100°F | 37.8°C |
| 101°F | 38.3°C |
| 102°F | 38.9°C |
| 104°F | 40°C |
Converter Features
Real-Time Conversion
Results update as you type, so you can compare several temperatures quickly without pressing any button.
Two-Way Conversion
The swap button instantly reverses the direction, turning the tool into a Celsius to Fahrenheit converter without leaving the page.
One-Click Copy
Copy the converted value to your clipboard with a single click and paste it into documents, messages, or other apps.
Accurate Calculation
Conversions use the exact mathematical formula and are rounded to 4 decimal places for practical, reliable accuracy.
Mobile-Friendly
Large touch targets and a responsive layout make the converter easy to use on phones and tablets, even while cooking or on the go.
Private & Offline
All calculations run locally in your browser. Nothing is sent to a server, and the tool keeps working once loaded, even without internet.
Frequently Asked Questions
What is the formula?
The formula is °C = (°F − 32) × 5/9. Subtract 32 from Fahrenheit, then multiply by 5/9 (divide by 1.8).
Is there a quick mental estimate?
Subtract 30, then halve it. For 100°F: (100−30)÷2 = 35°C (actual: 37.8°C).
What temperature is the same in both scales?
The scales meet at -40°: -40°F equals -40°C exactly.
What is normal body temperature in Celsius?
Normal body temperature of 98.6°F equals 37°C. A fever generally starts around 100.4°F (38°C).
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