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    Converters/Temperature Converter

    Temperature Converter

    Convert between Celsius, Fahrenheit, Kelvin, Rankine, and Réaumur temperature scales.

    Unit Converters
    Converter

    Converter

    Ready to Convert

    Enter a value and click Convert to see all conversions.

    Popular Conversions

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    What is Temperature Converter?

    The Temperature Converter is a free online tool that helps you convert values between different units of temperature. Convert between Celsius, Fahrenheit, Kelvin, Rankine, and Réaumur temperature scales. This tool provides instant, accurate results with support for all major unit conversions in this category.

    How the Conversion Works

    All temperature scales are first converted to Kelvin, then converted to the target scale. Celsius: K = °C + 273.15. Fahrenheit: K = (°F + 459.67) × 5/9. Rankine: K = °R × 5/9. Réaumur: K = °Ré × 5/4 + 273.15.

    How to Use This Converter

    Using the Temperature Converter is simple: 1. Enter the numeric value you want to convert in the input field 2. Select the unit you are converting from using the first dropdown (available units: Celsius (°C), Fahrenheit (°F), Kelvin (K), Rankine (°R), Réaumur (°Ré)) 3. Select the unit you are converting to using the second dropdown 4. Click "Convert" to see the result instantly 5. Use the "Swap" button to quickly reverse the conversion direction 6. View the "All Conversions" table to see the value in every available unit

    Example Conversions

    Here are some common conversions you can perform with this tool: 1 °C → ? °F, 1 °F → ? °C, 1 °C → ? K Try clicking any of the "Popular Conversions" buttons above to instantly set up these conversions. For example, you can quickly convert between metric and imperial units, which is especially useful when working with international measurements or specifications.

    Benefits and Use Cases

    Essential for cooking, weather, science, healthcare, and international travel. Used by chefs, meteorologists, scientists, and travelers navigating different temperature scales.

    Common Mistakes to Avoid

    Avoid these common pitfalls when using the Temperature Converter: - Forgetting to add/subtract the offset when converting between Celsius and Fahrenheit - Using the conversion factor but forgetting the +32/-32 for °C/°F - Confusing Rankine with Fahrenheit (same degree size but different zero point) - Assuming Kelvin uses degrees (it does not — just K) Being aware of these issues will help you get accurate conversions every time.

    Related Tools

    Energy Converter
    Power Converter
    Pressure Converter

    Conclusion

    The Temperature Converter is a free, accurate tool that handles all standard unit conversions instantly. Whether you are working on a project, studying, shopping internationally, or just curious, this converter ensures you get precise results every time. For other conversions, try our Energy Converter and Power Converter. Try it now with your own values above.

    Frequently Asked Questions

    How do I convert Celsius to Fahrenheit?

    Multiply Celsius by 9/5, then add 32. For example, 0°C = 32°F, 100°C = 212°F.

    What is absolute zero?

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

    What is the Rankine scale?

    Rankine is an absolute temperature scale like Kelvin but using Fahrenheit-sized degrees. 0°R = absolute zero, and the freezing point of water is 491.67°R.

    How do I convert Fahrenheit to Celsius?

    Subtract 32 from Fahrenheit, then multiply by 5/9. For example, 212°F - 32 = 180, × 5/9 = 100°C.

    How do I convert Kelvin to Celsius?

    Subtract 273.15 from Kelvin to get Celsius. For example, 300 K - 273.15 = 26.85°C.

    At what temperature do Celsius and Fahrenheit meet?

    Celsius and Fahrenheit are equal at -40 degrees. -40°C = -40°F, making it a useful reference point for conversions.

    What is the Réaumur scale used for?

    The Réaumur scale, where water freezes at 0°Ré and boils at 80°Ré, was historically used in Europe. It is still occasionally used in some food processing industries.