Temperature Converter

Convert between Celsius, Fahrenheit, and Kelvin instantly.

72.00°F
Fahrenheit
22.22°C
Celsius
295.37K
Kelvin

Water freezes at 0°C / 32°F / 273.15K

Water boils at 100°C / 212°F / 373.15K

Absolute zero: -273.15°C / -459.67°F / 0K

Key Features

  • Convert temperatures between Celsius, Fahrenheit and Kelvin simultaneously.
  • All three scales update instantly as you type in any field.
  • Displays common reference points — freezing, boiling, body temperature — for quick orientation.
  • Handles negative temperatures correctly, including below absolute zero warnings.
  • Useful for cooking, science, weather and HVAC applications.
  • Clean, distraction-free interface for fast conversions on any device.

Frequently Asked Questions

How do I convert Celsius to Fahrenheit?

Multiply the Celsius value by 9/5, then add 32. For example, 100°C × 1.8 + 32 = 212°F.

What is absolute zero?

Absolute zero is 0 Kelvin, which equals −273.15°C or −459.67°F. It is the theoretical temperature at which all molecular motion stops.

At what temperature are Celsius and Fahrenheit the same?

Celsius and Fahrenheit are equal at −40°. This is the one point where both scales intersect.

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