Correct convention
Temperature scales require offsets as well as ratios, so they are converted through Kelvin.
Temperature Converter for Celsius, Fahrenheit and Kelvin
Convert temperature scales with correct offsets and absolute-zero validation.
Local conversion with no external APIs or value storage.
Converted value
Conversion table
| Unit | Converted value |
|---|---|
| Celsius (°C) | 1 |
| Fahrenheit (°F) | 33.8 |
| Kelvin (K) | 274.15 |
| Rankine (°R) | 493.47 |
| Réaumur (°Ré) | 0.8 |
| Rømer (°Rø) | 8.025 |
| Delisle (°De) | 148.5 |
| Newton (°N) | 0.33 |
The conversion runs locally. Values are not sent to servers, stored by default or processed through external APIs.
How to use this converter
- 1
Enter a valid numeric value.
- 2
Choose the source and destination units.
- 3
Adjust precision, then copy or review equivalents.
Precise, private conversion
Important distinctions
Values below absolute zero are identified and not reported as physically valid.
Local calculation
Values remain in the browser and are not stored by default.
Frequently asked questions
How is the conversion calculated?
Temperature scales require offsets as well as ratios, so they are converted through Kelvin.
What important distinction should I consider?
Values below absolute zero are identified and not reported as physically valid.
Are conversions exact?
Defined factors are exact where an exact definition exists; display may be rounded to the selected precision.
Are my values sent or stored?
No. Everything is calculated locally without external APIs or default storage.