Temperature Converter

Free Online Temperature Converter

This tool supports conversion between temperature units including Celsius, Fahrenheit, Kelvin, and Rankine. All units are displayed simultaneously — enter a value in any unit to see results in all others in real time. All data is processed locally in your browser, fully protecting your privacy.

Features

• Supports 4 temperature unit conversions
• All units displayed simultaneously with real-time sync
• One-click copy of conversion results
• Quick reference for common conversion formulas
• Quick comparison of reference values
• Pure frontend offline processing, protects user privacy

Common Conversion Formulas

• °F = °C × 9/5 + 32
• K = °C + 273.15
• °C = (°F - 32) × 5/9
• °Ra = °F + 459.67

Common Reference Values

• Freezing point: 0°C = 32°F
• Boiling point: 100°C = 212°F
• Absolute zero: -273.15°C = 0 K
• Body temperature: 37°C = 98.6°F

How to Use

1. 1Click on any unit card's input field
2. 2Enter a value, other units update in real time
3. 3Click the copy button to copy conversion results