THE RIGHT UNIT. THE CLEAR ANSWER.
Fahrenheit converter.
Switch between Celsius, Fahrenheit, Kelvin, and historical temperature scales using the full offset formulas.
Temperature converter
°F
°C
THE RESULT
20 °F = -6.666666667 °C
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These are absolute temperatures, not temperature differences. Values below absolute zero are not physically valid.
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About temperature conversions
Switch between Celsius, Fahrenheit, Kelvin, and historical temperature scales using the full offset formulas.
Temperature conversions apply a scale factor and an offset. Select any unit above to see its conversion formula, a worked example, and a reference table.
How precision and conventions work