Temperature Converter

Convert between Celsius, Fahrenheit, and Kelvin instantly

Celsius (°C)
Fahrenheit (°F)
Kelvin (K)

About the Temperature Converter

Our free online temperature converter instantly converts between Celsius, Fahrenheit, and Kelvin. Perfect for science experiments, cooking recipes, weather checks, and international travel.

How to Use

  • Enter the temperature value
  • Select the input unit (Celsius, Fahrenheit, or Kelvin)
  • Click "Convert" or see instant results as you type
  • View all three temperature scales at once

Features

  • Converts between all three major temperature scales
  • Shows Celsius, Fahrenheit, and Kelvin simultaneously
  • Real-time conversion
  • 100% free with no registration required

Frequently Asked Questions

Enter the Celsius value, select "Celsius" from the dropdown, and click Convert. The formula is: (°C × 9/5) + 32 = °F.

Absolute zero is -273.15°C or -459.67°F. It's the lowest possible temperature where molecular motion stops.

They are the same. Celsius was previously called Centigrade. Both use the same scale with 0° at freezing and 100° at boiling.

Water freezes at 0°C (32°F) and boils at 100°C (212°F) at standard atmospheric pressure (sea level).

Kelvin is an absolute temperature scale starting at absolute zero. It's used in scientific calculations because it has no negative values.