This calculator converts Fahrenheit to Celsius for weather, cooking, science, and dealing with unfamiliar thermostats.
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Enter the temperature in degrees Fahrenheit to see its Celsius equivalent. The result can be rounded for everyday use or kept precise for technical calculations.
The formula is: Celsius = (Fahrenheit - 32) × 5 / 9. Subtract 32 from the Fahrenheit value, then divide the result by 1.8.
For 77°F, calculate (77 - 32) × 5 / 9 = 25°C. A day at 77°F is therefore 25°C.
Thirty-two degrees Fahrenheit equals 0°C. This is the freezing point of fresh water under standard atmospheric pressure.
A commonly used room-temperature range is about 20°C to 22°C, which equals 68°F to 71.6°F. Actual comfort depends on humidity, airflow, clothing, and personal preference.
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