What is -18 deg Celsius equal to in Fahrenheit?

To convert Celsius to Fahrenheit, you can use the formula: ( F = \frac{9}{5}C + 32 ). Plugging in -18 degrees Celsius: ( F = \frac{9}{5}(-18) + 32 = -2.4 + 32 = 29.6 ). Therefore, -18 degrees Celsius is equal to 29.6 degrees Fahrenheit.