12 degrees Celsius is equal to 53.6 degrees Fahrenheit. The formula to convert Celsius to Fahrenheit is given by: $$F = C \times \frac{9}{5} + 32$$ Substituting 12 for C, we get: $$F = 12 \times \frac{9}{5} + 32 = 53.6$$ Therefore, 12 degrees Celsius is equivalent to 53.6 degrees Fahrenheit.