When converting Celsius to Fahrenheit, the accurate result comes from multiplying it by 1.8 and adding 32; but a simpler way is to double it then add 30. (The closer the temperature is to 10/50, the better the approximation will be.)
When converting Celsius to Fahrenheit, the accurate result comes from multiplying it by 1.8 and adding 32; but a simpler way is to double it then add 30. (The closer the temperature is to 10/50, the better the approximation will be.)