Temperature Converter
Convert temperatures between Celsius, Fahrenheit and Kelvin using the correct formulas.
Result
68 F
Temperature uses formula-based conversion, not simple multiplication.
All conversion happens locally in your browser. The value you enter is not sent to a server, logged, stored, or transmitted.
How to use this tool
Enter the required values in the labeled fields. Results update in your browser and are announced for assistive technologies. Use realistic measurements and verify important outcomes before acting on them.
Formula or logic
Temperature conversion uses formulas: °C × 9/5 + 32 for Fahrenheit and °C + 273.15 for Kelvin. Kelvin below zero is invalid.
Example calculation
Example: 20 °C equals 68 °F and 293.15 K.
Frequently asked questions
Can Kelvin be negative?
No. Kelvin below zero is invalid and the tool shows a validation message.
Is this a simple factor conversion?
No. Temperature requires formula-based conversion.
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