Fahrenheit to Celsius
Convert fahrenheit to celsius instantly and accurately, both ways.
🔒 Instant, accurate, and runs entirely in your browser
Formula: Celsius = (Fahrenheit × 5/9) after subtracting 32
Fahrenheit to Celsius
To convert fahrenheit to celsius, apply Celsius = (Fahrenheit × 5/9) after subtracting 32. For example, 1 °F is -17.2222 °C. Type any number above and the result updates instantly — and you can convert in the other direction just as easily. Everything runs in your browser.
Fahrenheit to Celsius conversion table
| Fahrenheit (°F) | Celsius (°C) |
|---|---|
| -40 °F | -40 °C |
| 0 °F | -17.7778 °C |
| 32 °F | 0 °C |
| 50 °F | 10 °C |
| 68 °F | 20 °C |
| 98.6 °F | 37 °C |
| 100 °F | 37.7778 °C |
| 212 °F | 100 °C |
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How it works
Three steps. No sign-up, no upload, no wait.
1
Enter a value
Type a number of fahrenheit in the first box.
2
Read the result
The value in celsius updates instantly.
3
Convert either way
You can also type in the celsius box to convert back.
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Private by design.Everything happens right here in your browser. Your files are never uploaded — we never see them.
Frequently Asked Questions
How many celsius are in a degree fahrenheit? ▼
One degree fahrenheit equals -17.2222 celsius.
What is the formula to convert fahrenheit to celsius? ▼
Use
Celsius = (Fahrenheit × 5/9) after subtracting 32.Is this converter accurate? ▼
Yes — it uses the exact internationally-defined conversion factor and updates live as you type. It runs entirely in your browser.
Do I need to install anything or sign up? ▼
No. It works instantly in your browser — no account, no install, nothing uploaded.