Celsius to Fahrenheit Converter
Convert Celsius to Fahrenheit or Fahrenheit to Celsius instantly in your browser. Bidirectional live conversion.
How to use
- 1
Enter a temperature
Type a value in either the Celsius or Fahrenheit field.
- 2
See the result instantly
The other field updates automatically as you type.
- 3
Use the result
Copy the converted value for use wherever you need it.
Why use this tool?
- Bidirectional - edit either field and the other updates instantly
- Runs in your browser with no server calls
- Accurate to 4 decimal places
- Works for all temperature ranges including negative values
Frequently asked questions
- What is the formula for Celsius to Fahrenheit?
- °F = (°C × 9/5) + 32. For example, 100°C = 212°F (boiling point of water).
- What is −40 in Fahrenheit?
- −40°C = −40°F. This is the only temperature where Celsius and Fahrenheit are equal.
- Is body temperature 37°C or 98.6°F?
- Normal body temperature is approximately 37°C or 98.6°F.
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