Temperature Converter
A free, browser-based calculator. Runs entirely in your browser — no sign up, nothing stored.
100% FreeRuns in your browserBasic
Enter Values
Enter your values and press Calculate to see results.
How to use this calculator
- Enter a temperature in degrees Celsius.
- Press Calculate to see Fahrenheit and Kelvin.
How it works
To convert Celsius to Fahrenheit: °F = °C × 9/5 + 32. To Kelvin: K = °C + 273.15.
Worked example
100 °C. = 212 °F (water's boiling point) and 373.15 K.
Frequently asked questions
What is absolute zero?
0 K, which is −273.15 °C — the coldest possible temperature.
Related tools
Tip: Enter any known values to calculate the remaining results.
All calculations run in your browser. Your inputs are never saved or transmitted.