How the conversion works
To convert 198 cm to inches, divide by 2.54: 198 ÷ 2.54 = 78 in, to one decimal. Twelve inches make a foot, so that is 6 ft 6 in, or 6 ft 6 in to the nearest inch.
The nearest whole inch, asked the other way round: What is 6'6" in cm and inches?