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Celsius to Fahrenheit Converter (°C to °F)

Free online temperature conversion tool that instantly converts degrees Celsius (°C) to degrees Fahrenheit (°F), with conversion formulas and detailed steps.

Celsius to Fahrenheit Converter

Instantly convert ℃ to ℉ for free. Ideal for cooking, travel, and science. Get accurate results in seconds!

Enter temperature between -273.15°C (absolute zero) and 1,000,000°C
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    Celsius to Fahrenheit Formula

    Equation to Convert Celsius to Fahrenheit

    °F = (°C × 9/5) + 32

    Example: 20°C = (20 × 9/5) + 32 = 68°F

    How to Convert Celsius to Fahrenheit

    Click each step to see detailed calculation

    1

    Multiply by 9/5

    Multiply the Celsius temperature by 9/5 (or 1.8)
    2

    Add 32

    Add 32 to the result from step 1
    3

    Final Result

    Get the final Fahrenheit temperature result

    Celsius to Fahrenheit Conversion Common Mistakes

    • Forgetting to add 32 - Only multiplying by 9/5 will give incorrect results
    • Incorrect order of operations - Adding 32 first and then multiplying by 9/5 is incorrect
    • Using the wrong fraction - Using 2/3 instead of 9/5 is a common error
    • Rounding too early - Rounding intermediate results can lead to inaccuracies

    Common Celsius to Fahrenheit Conversions

    ↓ Download the Celsius to Fahrenheit Conversion Chart (PDF)

    About Celsius and Fahrenheit Temperature Units

    Celsius (°C) is widely used internationally. At standard atmospheric pressure, water freezes at 0°C and boils at 100°C.

    Fahrenheit (°F) is primarily used in the United States. At standard atmospheric pressure, water freezes at 32°F and boils at 212°F.

    Practical Scenarios for Celsius to Fahrenheit Conversion

    Cooking

    Oven temperature settings, recipe temperature conversions, controlling temperatures for melting sugar syrups and chocolate.

    • Baking temperature: 180°C = 356°F (standard baking temperature)
    • Low temperature cooking: 65°C = 149°F (ideal temperature for slow cooking meat)
    • Chocolate melting: 45°C = 113°F (avoid overheating chocolate)
    Weather Forecast

    Understanding local temperatures during international travel, adapting to different countries' weather reporting systems.

    • Summer comfort temperature: 22-26°C = 72-79°F
    • Winter indoor temperature: 20-22°C = 68-72°F
    • Heat wave warning: >35°C = >95°F (temperature at which most countries issue heat wave warnings)
    Medical

    Body temperature monitoring, medical equipment temperature conversion, medication storage temperature requirements.

    • Normal body temperature: 36.5-37.5°C = 97.7-99.5°F
    • Fever: >38°C = >100.4°F
    • Hypothermia risk: <35°C = <95°F
    Scientific Research

    Laboratory temperature control, temperature unit conversion in scientific literature, international research collaboration.

    • Laboratory standard temperature: 20-25°C = 68-77°F
    • Freezer storage: -80°C = -112°F (long-term biological sample preservation)
    • PCR reaction: 95°C = 203°F (DNA denaturation temperature)

    Frequently Asked Questions (FAQ)

    What is the difference between Celsius and Fahrenheit?
    Celsius and Fahrenheit are two different temperature measurement units. 1 degree Celsius = 33.8 degrees Fahrenheit. Celsius is widely used internationally, while Fahrenheit is primarily used in the United States. They use different scales: in Celsius, water freezes at 0°C and boils at 100°C; in Fahrenheit, water freezes at 32°F and boils at 212°F. Celsius was proposed by Swedish astronomer Anders Celsius in 1742, while Fahrenheit was invented by German physicist Daniel Fahrenheit in 1724.
    How can I quickly estimate the conversion between Celsius and Fahrenheit?
    A simple estimation method is to multiply the Celsius temperature by 2, then add 30 (instead of the accurate multiplication by 9/5 and adding 32). For example, 20°C is approximately (20×2)+30=70°F (actually 68°F). This method provides a close enough estimate for everyday use. For Fahrenheit to Celsius, subtract 30 and then divide by 2, for example, 70°F is approximately (70-30)÷2=20°C (actually 21.1°C).
    At what temperature are Celsius and Fahrenheit equal?
    The Celsius to Fahrenheit function is °F = (°C × 9/5) + 32. Celsius and Fahrenheit are equal at -40 degrees. That is, -40°C = -40°F. This is the intersection point of the two temperature scales. This special intersection point can be determined by solving the equation F = (9/5)C + 32 when F=C, which gives C=-40.