What is 155 degrees Celsius in Fahrenheit? 155 c equals 311 f 311 Fahrenheit  The C to F formula is (C * 9/5) + 32 = F 155 x 9 = 1395 155 / 5 = 279 279 + 32 = 311 155 degrees Celsius equals 311 degrees Fahrenheit. 155ctof 155c to f Celsius Fahre