Temperature Converter
Convert Celsius, Fahrenheit, and Kelvin.
Enter a value to convert.
What this calculator does
Convert temperatures through exact scale and offset formulas with absolute-zero validation.
Inputs and what they mean
- Value
- — number value.
- From
- — choice value.
- To
- — choice value.
How to use it
- Enter a value.
- Choose source and destination units, or swap them.
- Copy the instant conversion result.
Formula
Temperatures convert through Kelvin using scale and offset functions; linear units convert through their category base unit.
Worked example
Convert temperature
See an instant temperature conversion using standard unit definitions.
Reading the result
The headline figure is the main answer. Any breakdown underneath shows the parts that make it up, so you can check the working and see what changes when you adjust an input.
Limitations and assumptions
Results depend entirely on the figures you enter and are rounded for display. They are for general information and education, not professional advice.