Temperature Converter
Convert temperatures between Celsius, Fahrenheit, and Kelvin. Includes common temperature reference points and formulas.
Convert temperatures between Celsius, Fahrenheit, and Kelvin instantly. See all conversions at once with accurate calculations. All processing happens in your browser — no data is sent to any server.
Reference Temperatures
- • Water freezes: 0°C = 32°F = 273.15K
- • Water boils: 100°C = 212°F = 373.15K
- • Body temperature: 37°C = 98.6°F
- • Room temperature: 20-22°C = 68-72°F
- • Absolute zero: -273.15°C = -459.67°F = 0K
Conversion Formulas
°F = (°C × 9/5) + 32
°C = (°F - 32) × 5/9
K = °C + 273.15
°C = K - 273.15
How to Use
- Enter a temperature value
- Select the unit of your input (Celsius, Fahrenheit, or Kelvin)
- See all conversions instantly displayed
Frequently Asked Questions
❓ Is this tool free?
Yes! All our tools are completely free. No registration, no hidden charges, no ads. Just open and use.
🔒 Is my data safe?
Absolutely. All calculations happen in your browser. We don't store, send, or track any of your data. Everything is processed locally on your device.
📱 Can I use this on mobile?
Yes! All our tools are fully responsive and work perfectly on smartphones, tablets, and desktops.
🌐 Do I need internet?
No! Once the page loads, you can use the tool completely offline. All calculations happen in your browser without any server connection.