Temperature Converter
Convert temperatures between Celsius, Fahrenheit, and Kelvin instantly with real-time results.
Enter Temperature
Conversion Formulas
Converted Values
Enter a temperature to see conversions
About Temperature Converter
The Temperature Converter is a fast, free online tool that instantly converts temperatures between Celsius, Fahrenheit, and Kelvin. Whether you are cooking with a recipe from another country, studying science, or checking weather forecasts in an unfamiliar unit, this converter handles it all in real time as you type.
All calculations run entirely in your browser with no data sent to any server. Simply enter a temperature value, select your source unit, and see all three conversions displayed simultaneously. The tool also includes a handy reference table with common temperature benchmarks such as water freezing and boiling points, body temperature, and absolute zero.
How to Use
Enter a Temperature
Type a numeric value into the input field. The converter accepts whole numbers, decimals, and negative values for temperatures below zero.
Select the Source Unit
Choose whether the entered value is in Celsius, Fahrenheit, or Kelvin by clicking the corresponding unit button. The converter will recalculate automatically.
Read the Results
All three temperature values appear instantly in color-coded cards. Use the copy button next to each value to copy it to your clipboard, or click the swap button to switch that unit to the source.