Temperature Converter

Convert between Celsius, Fahrenheit, and Kelvin instantly

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