Temperature Converter
Convert Celsius, Fahrenheit and Kelvin.
Enter a temperature to convert instantly between Celsius, Fahrenheit and Kelvin. Everything runs locally in your browser.
Your input is processed locally in your browser — nothing is uploaded, stored or logged.
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How it works
- 1 Type a temperature.
- 2 Pick the scales to convert from and to.
- 3 Copy the result, or Swap to reverse.
Common use cases
- Convert oven temperatures.
- Read weather in °C or °F.
- Convert scientific Kelvin values.
- Understand foreign forecasts.
Frequently asked questions
Is my input sent to a server?
No. Every calculation runs locally in your browser — your input is never uploaded, stored or logged.
What are the formulas?
°F = °C × 9/5 + 32, and K = °C + 273.15.
What is absolute zero?
0 K = −273.15 °C = −459.67 °F, the lowest possible temperature.
Is it really free?
Yes — free, with no signup and no limits.