Temperature Converter
Free online temperature converter — convert between Celsius, Fahrenheit, Kelvin and more, instantly in your browser.
All conversions
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How this temperature converter works
Type a value, pick the unit you have and the unit you want — the result updates instantly, along with a full table converting your value into every supported temperature unit. All math runs locally in your browser, so it works offline once loaded and nothing you enter is sent anywhere.
Supported units
- Celsius (°C)
- Fahrenheit (°F)
- Kelvin (K)
Frequently asked questions
How do I convert Celsius to Fahrenheit?
Enter your temperature, choose the scale you have and the scale you want — the result is instant. For reference: °F = °C × 9/5 + 32, and K = °C + 273.15.
Which temperature units does this converter support?
3 units: Celsius, Fahrenheit, Kelvin. The table below the converter shows your value in every unit at once.
Is this temperature converter free and private?
Yes — it is completely free, needs no sign-up, and all conversion happens locally in your browser. Nothing you enter is uploaded or stored.