The formulas for converting between temperature scales are based on the relationships between the three scales: Celsius, Fahrenheit, and Kelvin.
These formulas assume that the size of the temperature unit (degree) is the same for all three scales.
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C is the temperature in Celsius
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F is the temperature in Fahrenheit
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K is the temperature in Kelvin
The formulas also use basic arithmetic operations, such as addition, subtraction, multiplication, and division. These operations are used to convert the temperature from one scale to another by multiplying or dividing by constants and adding or subtracting offsets.