Temperature Converter: Celsius, Fahrenheit, Kelvin
Convert between Celsius (°C), Fahrenheit (°F), and Kelvin (K) with this free online temperature converter.
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Frequently asked questions
How do I convert Celsius to Fahrenheit?
To convert Celsius to Fahrenheit, multiply the Celsius temperature by 9/5 and then add 32. For example, 20°C equals 68°F. Use our converter above for instant results.
What is the difference between Celsius and Kelvin?
Celsius and Kelvin have the same degree size, but they start at different points. 0°C equals 273.15 K. To convert, simply add 273.15 to your Celsius value.
Is this temperature converter free to use?
Yes, our online temperature converter is completely free. You can make unlimited conversions between Celsius, Fahrenheit, and Kelvin without any registration or fees.
Why Use a Temperature Converter?
Temperature conversion is essential for travel, science, cooking, and daily life. Whether you need to understand weather forecasts, follow international recipes, or complete school assignments, a reliable temperature converter saves time and prevents errors. Our tool lets you switch between Celsius, Fahrenheit, and Kelvin in seconds, making it perfect for students, professionals, and curious minds.
Temperature Conversion Formulas at a Glance
Understanding the math behind temperature conversion can be helpful. To convert Celsius to Fahrenheit, use (°C × 9/5) + 32. To go from Fahrenheit to Celsius, apply (°F − 32) × 5/9. For Kelvin, simply add 273.15 to Celsius or subtract 273.15 from Kelvin to get Celsius. These formulas are built into our converter, giving you instant and accurate results every time.
Completely Free and Instant Results
Our temperature converter is designed for simplicity and speed. No downloads, no sign-ups, just fast and exact conversions. Whether you're converting 100°C to Fahrenheit or 300 K to Celsius, you get reliable results immediately. Bookmark this page for quick access whenever you need to convert temperatures, and enjoy a hassle-free tool optimized for any device.