Temperature converter
Convert Celsius·Fahrenheit·Kelvin temperatures into each other
Input
The example value has been entered. Check it immediately or change the value.
Input is processed in the browser. Refreshing returns a sample value.
Result
Check or change the value using the example value result.
No temperatures below absolute zero are allowed.
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Calculation·conversion criteria
Convert Celsius·Fahrenheit·Kelvin temperatures
Input example
Celsius 0°C = Fahrenheit 32°F = 273.15 K
Celsius 20°C = 20×9/5+32=Fahrenheit 68°F = 293.15 K. The absolute value of temperature includes both the scale interval and the reference point difference
How to use
- Use the entered example value or change the temperature or input unit items.
- Click Verify result and check the following result.
- Result can be copied if needed.
Frequently Asked Questions
Does it convert a 10-degree temperature difference in the same way?
No. A 10°C difference in Celsius is a 18°F difference, and 32 is not added. The input of this tool is the actual temperature, not temperature differences.
Calculation criteria and reference materials
- NIST — SI unit conversion table
Conversion standards for international units and non‑SI units
Verification of calculation criteria: · Calculation·verification principles · Report errors