Convert Celsius, Fahrenheit, Kelvin, Rankine and Réaumur. Temperature Converter is a free online tool from the ToolsRift Unit Converters collection. It runs entirely in your browser — nothing to install, no signup, and your data never leaves your device.
Loading Temperature Converter…
How to use Temperature Converter
Open the Temperature Converter above — it loads instantly, no account needed.
Enter or upload your input. Everything is processed locally on your device.
Get your result immediately and copy or download it with one click.
Frequently asked questions
How to convert Celsius to Fahrenheit?
F = (C × 9/5) + 32. So 100°C = 212°F.
What is absolute zero?
Absolute zero is 0 Kelvin = -273.15°C = -459.67°F.
ToolsRift processes your files in your browser. We use cookies only for basic analytics and to support ads that keep every tool free. See our Cookie Policy.