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Temperature Converter - Celsius, Fahrenheit & Kelvin Tool

Fast and accurate conversion between Celsius, Fahrenheit, and Kelvin. Learn the formulas behind temperature scales and how they impact everyday life and science.

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Temperature Converter: Translating the Scales of Heat

Whether you are checking the weather for an international trip, following a scientific protocol, or just cooking a meal, getting the temperature right is essential. This Temperature Converter provides instant, precise translations between Celsius, Fahrenheit, and Kelvin, helping you stay comfortable and accurate in any environment.

1. The Three Common Scales

  • Celsius (°C): Used by almost every country for everyday life and weather.
  • Fahrenheit (°F): Primarily used in the United States and a few other regions.
  • Kelvin (K): The absolute temperature scale used by scientists and engineers.

For other common measurement translations, use our main Unit Converter. You can also see how energy (calories) relate to heat in our Calorie Calculator.

2. Converting in Your Head

While our tool is more precise, here are the "Quick" formulas:

  • C to F: Multiply by 2 and add 30.
  • F to C: Subtract 30 and divide by 2.

3. FAQ

Q: What is "Absolute Zero"? A: It is the lowest possible temperature, 0 Kelvin or -273.15°C, where all molecular motion stops.

Q: Why does the US use Fahrenheit? A: It was the standard throughout the British Empire in the 18th century, and the US maintained the system even after Britain switched to Metric.

Conclusion

From the kitchen to the laboratory, never be confused by a temperature scale again. Use our tool above to find your exact reading.