Temperature Converter
Convert between Celsius, Fahrenheit, and Kelvin with absolute-zero validation.
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Frequently asked questions
- Can I enter temperatures below absolute zero?
- No. Temperatures below −273.15 °C, −459.67 °F, or 0 K are rejected because they have no physical meaning.
- Why do conversions have more than one decimal place?
- The conversion uses exact affine formulas. Values are shown with up to six decimal places to preserve accuracy at small magnitudes.
- What is 0 °C in Kelvin?
- 273.15 K. The Kelvin scale begins at absolute zero, which is −273.15 °C.