Temperature Converter
Convert temperatures between Celsius, Fahrenheit, Kelvin, Rankine, and Réaumur scales. Includes temperature presets, comparisons, and comprehensive reference information.
Temperature Converter
Convert between Celsius, Fahrenheit, Kelvin, Rankine, and Réaumur with preset temperatures
Temperature Input
Conversion Results
How to Use the Temperature Converter
Our temperature converter supports all major temperature scales with instant conversion between Celsius, Fahrenheit, Kelvin, Rankine, and Réaumur. Perfect for cooking, science, weather, and educational purposes with built-in presets and temperature comparisons.
Temperature Converter Features
- Convert between 5 temperature scales instantly
- Temperature presets for common values (cooking, science, nature)
- Visual temperature categories and color coding
- Temperature comparison tool
- Conversion history and data export
- Comprehensive temperature scale reference
Supported Temperature Scales
- Celsius (°C) - Metric standard, water freezes at 0°C
- Fahrenheit (°F) - US standard, water freezes at 32°F
- Kelvin (K) - Scientific absolute scale, starts at absolute zero
- Rankine (°R) - Fahrenheit-based absolute scale
- Réaumur (°Ré) - Historical scale, 0-80° range for water
Common Temperature Conversions
Quick reference: Water freezes at 0°C/32°F/273.15K, boils at 100°C/212°F/373.15K. Room temperature is typically 20°C/68°F/293.15K. Human body temperature is 37°C/98.6°F/310.15K. Use our presets for instant access to these and many other common temperature points.
Applications and Use Cases
Perfect for cooking recipes, scientific calculations, weather analysis, educational purposes, and international travel. The temperature presets cover everything from absolute zero to cooking temperatures, making it ideal for students, chefs, scientists, and anyone working with temperature measurements across different scales.
Frequently Asked Questions
How do you convert Celsius to Fahrenheit?
F = (C × 9/5) + 32. Example: 100°C × 9/5 + 32 = 212°F (boiling point of water).
How do you convert Fahrenheit to Celsius?
C = (F − 32) × 5/9. Example: (98.6°F − 32) × 5/9 = 37°C (body temperature).
What is absolute zero?
Absolute zero is the coldest possible temperature: 0 K = −273.15°C = −459.67°F. At this point, all molecular motion effectively stops.
Which countries use Fahrenheit?
The United States, Cayman Islands, Liberia, and a few other territories use Fahrenheit. The rest of the world uses Celsius.
What is the difference between Celsius and Kelvin?
Celsius and Kelvin have the same degree size. Convert: K = °C + 273.15. Kelvin starts at absolute zero; Celsius starts at water's freezing point.
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