What Is 100 °F in Celsius?

Answer
37.78 °C = 100 °F

(100 − 32) × 5/9 = 37.78 °C. For body temperature that is a low-grade fever (normal is about 98.6 °F = 37 °C); as weather, 100 °F is a very hot day.

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Converted temperature
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How we calculated this

    For estimating and educational purposes only. Results are approximate and are not a substitute for a licensed professional, the manufacturer's instructions or your local code. Disclaimer

    Fahrenheit to Celsius table (95–105 °F)

    °F°C
    95 °F35
    96 °F35.56
    97 °F36.11
    98 °F36.67
    98.6 °F37
    99 °F37.22
    100 °F37.78
    101 °F38.33
    102 °F38.89
    103 °F39.44
    104 °F40
    105 °F40.56

    °C = (°F − 32) × 5/9. Quick estimate: subtract 30 and halve (100 → 35 °C, about 3 °C low).

    Frequently asked questions

    Is 100 °F a fever?

    Most doctors call 100.4 °F (38 °C) or higher a fever; 100 °F is slightly elevated.

    What is 0 °C in Fahrenheit?

    32 °F.

    Open the full calculator: Temperature Converter: Fahrenheit to Celsius, Kelvin and Rankine →