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Temperature Converter
Convert Celsius, Fahrenheit and Kelvin with physical bounds.
Negative Celsius and Fahrenheit are valid. Temperatures below absolute zero are rejected.
How to use
Convert valid positive or negative temperatures between Celsius, Fahrenheit and Kelvin. Values below absolute zero return an error.
Set options
Enter a temperature above absolute zero.
Use the result
Read or copy the result.
Limits and questions
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Frequently asked questions
- What are the limits?
- Minimum −273.15 °C, −459.67 °F or 0 K.
- What should I check before using the output?
- Rounded display; extremely small values use scientific notation.