Temperature Converter

°C
°F
K
Converter Info
  • Simply type a value into any box to instantly see the conversion in the other units.
  • Celsius is used by most of the world. Water freezes at 0°C and boils at 100°C.
  • Fahrenheit is primarily used in the United States. Water freezes at 32°F and boils at 212°F.
  • Kelvin is an absolute temperature scale used primarily in science. Absolute zero is 0K (-273.15°C).

About Temperature Converter

The Temperature Converter lets you instantly convert any temperature value between Celsius (°C), Fahrenheit (°F), and Kelvin (K) — the three most widely used temperature scales in the world. Whether you're checking a weather forecast, following a recipe from another country, studying physics, or working in science and engineering, this tool gives you fast and accurate conversions with no formulas to memorize.

How to Use

Frequently Asked Questions

°F = (°C × 9/5) + 32. For example, 100°C = 212°F (boiling point of water).

°C = (°F − 32) × 5/9. For example, 98.6°F = 37°C (normal human body temperature).

Absolute zero is 0 Kelvin, which equals −273.15°C or −459.67°F. It is the theoretical lowest possible temperature.

Celsius and Fahrenheit are equal at −40 degrees (−40°C = −40°F).

Yes, completely free to use with no registration needed.

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